218290800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2040

約数の個数: 240

約数和(自身を含む): 861056000

約数和(自身を除く): 642765200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 25, 26, 28, 30, 35, 39, 40, 42, 48, 50, 52, 56, 60, 65, 70, 75, 78, 80, 84, 91, 100, 104, 105, 112, 120, 130, 140, 150, 156, 168, 175, 182, 195, 200, 208, 210, 240, 260, 273, 280, 300, 312, 325, 336, 350, 364, 390, 400, 420, 455, 520, 525, 546, 560, 600, 624, 650, 700, 728, 780, 840, 910, 975, 1040, 1050, 1092, 1200, 1300, 1365, 1400, 1456, 1560, 1680, 1820, 1950, 1999, 2100, 2184, 2275, 2600, 2730, 2800, 3120, 3640, 3900, 3998, 4200, 4368, 4550, 5200, 5460, 5997, 6825, 7280, 7800, 7996, 8400, 9100, 9995, 10920, 11994, 13650, 13993, 15600, 15992, 18200, 19990, 21840, 23988, 25987, 27300, 27986, 29985, 31984, 36400, 39980, 41979, 47976, 49975, 51974, 54600, 55972, 59970, 69965, 77961, 79960, 83958, 95952, 99950, 103948, 109200, 111944, 119940, 129935, 139930, 149925, 155922, 159920, 167916, 181909, 199900, 207896, 209895, 223888, 239880, 259870, 279860, 299850, 311844, 335832, 349825, 363818, 389805, 399800, 415792, 419790, 479760, 519740, 545727, 559720, 599700, 623688, 649675, 671664, 699650, 727636, 779610, 799600, 839580, 909545, 1039480, 1049475, 1091454, 1119440, 1199400, 1247376, 1299350, 1399300, 1455272, 1559220, 1679160, 1819090, 1949025, 2078960, 2098950, 2182908, 2398800, 2598700, 2728635, 2798600, 2910544, 3118440, 3358320, 3638180, 3898050, 4197900, 4365816, 4547725, 5197400, 5457270, 5597200, 6236880, 7276360, 7796100, 8395800, 8731632, 9095450, 10394800, 10914540, 13643175, 14552720, 15592200, 16791600, 18190900, 21829080, 27286350, 31184400, 36381800, 43658160, 54572700, 72763600, 109145400, 218290800]

約数ペア:

[(1, 218290800), (2, 109145400), (3, 72763600), (4, 54572700), (5, 43658160), (6, 36381800), (7, 31184400), (8, 27286350), (10, 21829080), (12, 18190900), (13, 16791600), (14, 15592200), (15, 14552720), (16, 13643175), (20, 10914540), (21, 10394800), (24, 9095450), (25, 8731632), (26, 8395800), (28, 7796100), (30, 7276360), (35, 6236880), (39, 5597200), (40, 5457270), (42, 5197400), (48, 4547725), (50, 4365816), (52, 4197900), (56, 3898050), (60, 3638180), (65, 3358320), (70, 3118440), (75, 2910544), (78, 2798600), (80, 2728635), (84, 2598700), (91, 2398800), (100, 2182908), (104, 2098950), (105, 2078960), (112, 1949025), (120, 1819090), (130, 1679160), (140, 1559220), (150, 1455272), (156, 1399300), (168, 1299350), (175, 1247376), (182, 1199400), (195, 1119440), (200, 1091454), (208, 1049475), (210, 1039480), (240, 909545), (260, 839580), (273, 799600), (280, 779610), (300, 727636), (312, 699650), (325, 671664), (336, 649675), (350, 623688), (364, 599700), (390, 559720), (400, 545727), (420, 519740), (455, 479760), (520, 419790), (525, 415792), (546, 399800), (560, 389805), (600, 363818), (624, 349825), (650, 335832), (700, 311844), (728, 299850), (780, 279860), (840, 259870), (910, 239880), (975, 223888), (1040, 209895), (1050, 207896), (1092, 199900), (1200, 181909), (1300, 167916), (1365, 159920), (1400, 155922), (1456, 149925), (1560, 139930), (1680, 129935), (1820, 119940), (1950, 111944), (1999, 109200), (2100, 103948), (2184, 99950), (2275, 95952), (2600, 83958), (2730, 79960), (2800, 77961), (3120, 69965), (3640, 59970), (3900, 55972), (3998, 54600), (4200, 51974), (4368, 49975), (4550, 47976), (5200, 41979), (5460, 39980), (5997, 36400), (6825, 31984), (7280, 29985), (7800, 27986), (7996, 27300), (8400, 25987), (9100, 23988), (9995, 21840), (10920, 19990), (11994, 18200), (13650, 15992), (13993, 15600)]