221613660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{8263}}^1$

素因数の和:8427

約数の個数: 72

約数和(自身を含む): 676821600

約数和(自身を除く): 455207940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 4470, 5364, 6705, 8263, 8940, 13410, 16526, 24789, 26820, 33052, 41315, 49578, 74367, 82630, 99156, 123945, 148734, 165260, 247890, 297468, 371835, 495780, 743670, 1231187, 1487340, 2462374, 3693561, 4924748, 6155935, 7387122, 11080683, 12311870, 14774244, 18467805, 22161366, 24623740, 36935610, 44322732, 55403415, 73871220, 110806830, 221613660]

約数ペア:

[(1, 221613660), (2, 110806830), (3, 73871220), (4, 55403415), (5, 44322732), (6, 36935610), (9, 24623740), (10, 22161366), (12, 18467805), (15, 14774244), (18, 12311870), (20, 11080683), (30, 7387122), (36, 6155935), (45, 4924748), (60, 3693561), (90, 2462374), (149, 1487340), (180, 1231187), (298, 743670), (447, 495780), (596, 371835), (745, 297468), (894, 247890), (1341, 165260), (1490, 148734), (1788, 123945), (2235, 99156), (2682, 82630), (2980, 74367), (4470, 49578), (5364, 41315), (6705, 33052), (8263, 26820), (8940, 24789), (13410, 16526)]