211206660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:263

約数の個数: 216

約数和(自身を含む): 729691200

約数和(自身を除く): 518484540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 199, 210, 228, 245, 266, 285, 294, 361, 380, 398, 399, 420, 490, 532, 570, 588, 597, 665, 722, 735, 796, 798, 931, 980, 995, 1083, 1140, 1194, 1330, 1393, 1444, 1470, 1596, 1805, 1862, 1990, 1995, 2166, 2388, 2527, 2660, 2786, 2793, 2940, 2985, 3610, 3724, 3781, 3980, 3990, 4179, 4332, 4655, 5054, 5415, 5572, 5586, 5970, 6965, 7220, 7562, 7581, 7980, 8358, 9310, 9751, 10108, 10830, 11172, 11343, 11940, 12635, 13930, 13965, 15124, 15162, 16716, 17689, 18620, 18905, 19502, 20895, 21660, 22686, 25270, 26467, 27860, 27930, 29253, 30324, 35378, 37810, 37905, 39004, 41790, 45372, 48755, 50540, 52934, 53067, 55860, 56715, 58506, 70756, 71839, 75620, 75810, 79401, 83580, 88445, 97510, 105868, 106134, 113430, 117012, 132335, 143678, 146265, 151620, 158802, 176890, 185269, 195020, 212268, 215517, 226860, 264670, 265335, 287356, 292530, 317604, 353780, 359195, 370538, 397005, 431034, 502873, 529340, 530670, 555807, 585060, 718390, 741076, 794010, 862068, 926345, 1005746, 1061340, 1077585, 1111614, 1436780, 1508619, 1588020, 1852690, 2011492, 2155170, 2223228, 2514365, 2779035, 3017238, 3520111, 3705380, 4310340, 5028730, 5558070, 6034476, 7040222, 7543095, 10057460, 10560333, 11116140, 14080444, 15086190, 17600555, 21120666, 30172380, 35201110, 42241332, 52801665, 70402220, 105603330, 211206660]

約数ペア:

[(1, 211206660), (2, 105603330), (3, 70402220), (4, 52801665), (5, 42241332), (6, 35201110), (7, 30172380), (10, 21120666), (12, 17600555), (14, 15086190), (15, 14080444), (19, 11116140), (20, 10560333), (21, 10057460), (28, 7543095), (30, 7040222), (35, 6034476), (38, 5558070), (42, 5028730), (49, 4310340), (57, 3705380), (60, 3520111), (70, 3017238), (76, 2779035), (84, 2514365), (95, 2223228), (98, 2155170), (105, 2011492), (114, 1852690), (133, 1588020), (140, 1508619), (147, 1436780), (190, 1111614), (196, 1077585), (199, 1061340), (210, 1005746), (228, 926345), (245, 862068), (266, 794010), (285, 741076), (294, 718390), (361, 585060), (380, 555807), (398, 530670), (399, 529340), (420, 502873), (490, 431034), (532, 397005), (570, 370538), (588, 359195), (597, 353780), (665, 317604), (722, 292530), (735, 287356), (796, 265335), (798, 264670), (931, 226860), (980, 215517), (995, 212268), (1083, 195020), (1140, 185269), (1194, 176890), (1330, 158802), (1393, 151620), (1444, 146265), (1470, 143678), (1596, 132335), (1805, 117012), (1862, 113430), (1990, 106134), (1995, 105868), (2166, 97510), (2388, 88445), (2527, 83580), (2660, 79401), (2786, 75810), (2793, 75620), (2940, 71839), (2985, 70756), (3610, 58506), (3724, 56715), (3781, 55860), (3980, 53067), (3990, 52934), (4179, 50540), (4332, 48755), (4655, 45372), (5054, 41790), (5415, 39004), (5572, 37905), (5586, 37810), (5970, 35378), (6965, 30324), (7220, 29253), (7562, 27930), (7581, 27860), (7980, 26467), (8358, 25270), (9310, 22686), (9751, 21660), (10108, 20895), (10830, 19502), (11172, 18905), (11343, 18620), (11940, 17689), (12635, 16716), (13930, 15162), (13965, 15124)]