221855400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:553

約数の個数: 288

約数和(自身を含む): 846300000

約数和(自身を除く): 624444600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 25, 26, 30, 36, 38, 39, 40, 45, 50, 52, 57, 60, 65, 72, 75, 76, 78, 90, 95, 100, 104, 114, 117, 120, 130, 150, 152, 156, 171, 180, 190, 195, 200, 225, 228, 234, 247, 260, 285, 300, 312, 325, 342, 360, 380, 390, 450, 456, 468, 475, 494, 499, 520, 570, 585, 600, 650, 684, 741, 760, 780, 855, 900, 936, 950, 975, 988, 998, 1140, 1170, 1235, 1300, 1368, 1425, 1482, 1497, 1560, 1710, 1800, 1900, 1950, 1976, 1996, 2223, 2280, 2340, 2470, 2495, 2600, 2850, 2925, 2964, 2994, 3420, 3705, 3800, 3900, 3992, 4275, 4446, 4491, 4680, 4940, 4990, 5700, 5850, 5928, 5988, 6175, 6487, 6840, 7410, 7485, 7800, 8550, 8892, 8982, 9481, 9880, 9980, 11115, 11400, 11700, 11976, 12350, 12475, 12974, 14820, 14970, 17100, 17784, 17964, 18525, 18962, 19461, 19960, 22230, 22455, 23400, 24700, 24950, 25948, 28443, 29640, 29940, 32435, 34200, 35928, 37050, 37425, 37924, 38922, 44460, 44910, 47405, 49400, 49900, 51896, 55575, 56886, 58383, 59880, 64870, 74100, 74850, 75848, 77844, 85329, 88920, 89820, 94810, 97305, 99800, 111150, 112275, 113772, 116766, 123253, 129740, 142215, 148200, 149700, 155688, 162175, 170658, 179640, 189620, 194610, 222300, 224550, 227544, 233532, 237025, 246506, 259480, 284430, 291915, 299400, 324350, 341316, 369759, 379240, 389220, 426645, 444600, 449100, 467064, 474050, 486525, 493012, 568860, 583830, 616265, 648700, 682632, 711075, 739518, 778440, 853290, 898200, 948100, 973050, 986024, 1109277, 1137720, 1167660, 1232530, 1297400, 1422150, 1459575, 1479036, 1706580, 1848795, 1896200, 1946100, 2133225, 2218554, 2335320, 2465060, 2844300, 2919150, 2958072, 3081325, 3413160, 3697590, 3892200, 4266450, 4437108, 4930120, 5546385, 5688600, 5838300, 6162650, 7395180, 8532900, 8874216, 9243975, 11092770, 11676600, 12325300, 14790360, 17065800, 18487950, 22185540, 24650600, 27731925, 36975900, 44371080, 55463850, 73951800, 110927700, 221855400]

約数ペア:

[(1, 221855400), (2, 110927700), (3, 73951800), (4, 55463850), (5, 44371080), (6, 36975900), (8, 27731925), (9, 24650600), (10, 22185540), (12, 18487950), (13, 17065800), (15, 14790360), (18, 12325300), (19, 11676600), (20, 11092770), (24, 9243975), (25, 8874216), (26, 8532900), (30, 7395180), (36, 6162650), (38, 5838300), (39, 5688600), (40, 5546385), (45, 4930120), (50, 4437108), (52, 4266450), (57, 3892200), (60, 3697590), (65, 3413160), (72, 3081325), (75, 2958072), (76, 2919150), (78, 2844300), (90, 2465060), (95, 2335320), (100, 2218554), (104, 2133225), (114, 1946100), (117, 1896200), (120, 1848795), (130, 1706580), (150, 1479036), (152, 1459575), (156, 1422150), (171, 1297400), (180, 1232530), (190, 1167660), (195, 1137720), (200, 1109277), (225, 986024), (228, 973050), (234, 948100), (247, 898200), (260, 853290), (285, 778440), (300, 739518), (312, 711075), (325, 682632), (342, 648700), (360, 616265), (380, 583830), (390, 568860), (450, 493012), (456, 486525), (468, 474050), (475, 467064), (494, 449100), (499, 444600), (520, 426645), (570, 389220), (585, 379240), (600, 369759), (650, 341316), (684, 324350), (741, 299400), (760, 291915), (780, 284430), (855, 259480), (900, 246506), (936, 237025), (950, 233532), (975, 227544), (988, 224550), (998, 222300), (1140, 194610), (1170, 189620), (1235, 179640), (1300, 170658), (1368, 162175), (1425, 155688), (1482, 149700), (1497, 148200), (1560, 142215), (1710, 129740), (1800, 123253), (1900, 116766), (1950, 113772), (1976, 112275), (1996, 111150), (2223, 99800), (2280, 97305), (2340, 94810), (2470, 89820), (2495, 88920), (2600, 85329), (2850, 77844), (2925, 75848), (2964, 74850), (2994, 74100), (3420, 64870), (3705, 59880), (3800, 58383), (3900, 56886), (3992, 55575), (4275, 51896), (4446, 49900), (4491, 49400), (4680, 47405), (4940, 44910), (4990, 44460), (5700, 38922), (5850, 37924), (5928, 37425), (5988, 37050), (6175, 35928), (6487, 34200), (6840, 32435), (7410, 29940), (7485, 29640), (7800, 28443), (8550, 25948), (8892, 24950), (8982, 24700), (9481, 23400), (9880, 22455), (9980, 22230), (11115, 19960), (11400, 19461), (11700, 18962), (11976, 18525), (12350, 17964), (12475, 17784), (12974, 17100), (14820, 14970)]