2181930350

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:642

約数の個数: 96

約数和(自身を含む): 4357435392

約数和(自身を除く): 2175505042

約数列:

[1, 2, 5, 10, 25, 31, 47, 50, 61, 62, 94, 122, 155, 235, 305, 310, 470, 491, 610, 775, 982, 1175, 1457, 1525, 1550, 1891, 2350, 2455, 2867, 2914, 3050, 3782, 4910, 5734, 7285, 9455, 12275, 14335, 14570, 15221, 18910, 23077, 24550, 28670, 29951, 30442, 36425, 46154, 47275, 59902, 71675, 72850, 76105, 88877, 94550, 115385, 143350, 149755, 152210, 177754, 230770, 299510, 380525, 444385, 576925, 715387, 748775, 761050, 888770, 928481, 1153850, 1407697, 1430774, 1497550, 1856962, 2221925, 2815394, 3576935, 4443850, 4642405, 7038485, 7153870, 9284810, 14076970, 17884675, 23212025, 35192425, 35769350, 43638607, 46424050, 70384850, 87277214, 218193035, 436386070, 1090965175, 2181930350]

約数ペア:

[(1, 2181930350), (2, 1090965175), (5, 436386070), (10, 218193035), (25, 87277214), (31, 70384850), (47, 46424050), (50, 43638607), (61, 35769350), (62, 35192425), (94, 23212025), (122, 17884675), (155, 14076970), (235, 9284810), (305, 7153870), (310, 7038485), (470, 4642405), (491, 4443850), (610, 3576935), (775, 2815394), (982, 2221925), (1175, 1856962), (1457, 1497550), (1525, 1430774), (1550, 1407697), (1891, 1153850), (2350, 928481), (2455, 888770), (2867, 761050), (2914, 748775), (3050, 715387), (3782, 576925), (4910, 444385), (5734, 380525), (7285, 299510), (9455, 230770), (12275, 177754), (14335, 152210), (14570, 149755), (15221, 143350), (18910, 115385), (23077, 94550), (24550, 88877), (28670, 76105), (29951, 72850), (30442, 71675), (36425, 59902), (46154, 47275)]