31515676940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{420097}}^1$

素因数の和:420159

約数の個数: 72

約数和(自身を含む): 75093357696

約数和(自身を除く): 43577680756

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 682, 1210, 1364, 1705, 2420, 3410, 3751, 6820, 7502, 15004, 18755, 37510, 75020, 420097, 840194, 1680388, 2100485, 4200970, 4621067, 8401940, 9242134, 13023007, 18484268, 23105335, 26046014, 46210670, 50831737, 52092028, 65115035, 92421340, 101663474, 130230070, 143253077, 203326948, 254158685, 260460140, 286506154, 508317370, 573012308, 716265385, 1016634740, 1432530770, 1575783847, 2865061540, 3151567694, 6303135388, 7878919235, 15757838470, 31515676940]

約数ペア:

[(1, 31515676940), (2, 15757838470), (4, 7878919235), (5, 6303135388), (10, 3151567694), (11, 2865061540), (20, 1575783847), (22, 1432530770), (31, 1016634740), (44, 716265385), (55, 573012308), (62, 508317370), (110, 286506154), (121, 260460140), (124, 254158685), (155, 203326948), (220, 143253077), (242, 130230070), (310, 101663474), (341, 92421340), (484, 65115035), (605, 52092028), (620, 50831737), (682, 46210670), (1210, 26046014), (1364, 23105335), (1705, 18484268), (2420, 13023007), (3410, 9242134), (3751, 8401940), (6820, 4621067), (7502, 4200970), (15004, 2100485), (18755, 1680388), (37510, 840194), (75020, 420097)]