217985490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 192

約数和(自身を含む): 632586240

約数和(自身を除く): 414600750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 31, 43, 45, 46, 62, 69, 79, 86, 90, 93, 115, 129, 138, 155, 158, 186, 207, 215, 230, 237, 258, 279, 310, 345, 387, 395, 414, 430, 465, 474, 558, 645, 690, 711, 713, 774, 790, 930, 989, 1035, 1185, 1290, 1333, 1395, 1422, 1426, 1817, 1935, 1978, 2070, 2139, 2370, 2449, 2666, 2790, 2967, 3397, 3555, 3565, 3634, 3870, 3999, 4278, 4898, 4945, 5451, 5934, 6417, 6665, 6794, 7110, 7130, 7347, 7998, 8901, 9085, 9890, 10191, 10695, 10902, 11997, 12245, 12834, 13330, 14694, 14835, 16353, 16985, 17802, 18170, 19995, 20382, 21390, 22041, 23994, 24490, 27255, 29670, 30573, 30659, 32085, 32706, 33970, 36735, 39990, 44082, 44505, 50955, 54510, 56327, 59985, 61146, 61318, 64170, 73470, 78131, 81765, 89010, 91977, 101910, 105307, 110205, 112654, 119970, 152865, 153295, 156262, 163530, 168981, 183954, 210614, 220410, 234393, 275931, 281635, 305730, 306590, 315921, 337962, 390655, 459885, 468786, 506943, 526535, 551862, 563270, 631842, 703179, 781310, 844905, 919770, 947763, 1013886, 1053070, 1171965, 1379655, 1406358, 1579605, 1689810, 1895526, 2343930, 2422061, 2534715, 2759310, 3159210, 3515895, 4738815, 4844122, 5069430, 7031790, 7266183, 9477630, 12110305, 14532366, 21798549, 24220610, 36330915, 43597098, 72661830, 108992745, 217985490]

約数ペア:

[(1, 217985490), (2, 108992745), (3, 72661830), (5, 43597098), (6, 36330915), (9, 24220610), (10, 21798549), (15, 14532366), (18, 12110305), (23, 9477630), (30, 7266183), (31, 7031790), (43, 5069430), (45, 4844122), (46, 4738815), (62, 3515895), (69, 3159210), (79, 2759310), (86, 2534715), (90, 2422061), (93, 2343930), (115, 1895526), (129, 1689810), (138, 1579605), (155, 1406358), (158, 1379655), (186, 1171965), (207, 1053070), (215, 1013886), (230, 947763), (237, 919770), (258, 844905), (279, 781310), (310, 703179), (345, 631842), (387, 563270), (395, 551862), (414, 526535), (430, 506943), (465, 468786), (474, 459885), (558, 390655), (645, 337962), (690, 315921), (711, 306590), (713, 305730), (774, 281635), (790, 275931), (930, 234393), (989, 220410), (1035, 210614), (1185, 183954), (1290, 168981), (1333, 163530), (1395, 156262), (1422, 153295), (1426, 152865), (1817, 119970), (1935, 112654), (1978, 110205), (2070, 105307), (2139, 101910), (2370, 91977), (2449, 89010), (2666, 81765), (2790, 78131), (2967, 73470), (3397, 64170), (3555, 61318), (3565, 61146), (3634, 59985), (3870, 56327), (3999, 54510), (4278, 50955), (4898, 44505), (4945, 44082), (5451, 39990), (5934, 36735), (6417, 33970), (6665, 32706), (6794, 32085), (7110, 30659), (7130, 30573), (7347, 29670), (7998, 27255), (8901, 24490), (9085, 23994), (9890, 22041), (10191, 21390), (10695, 20382), (10902, 19995), (11997, 18170), (12245, 17802), (12834, 16985), (13330, 16353), (14694, 14835)]