727740560

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1\times {\mathrm{491}}^1$

素因数の和:792

約数の個数: 80

約数和(自身を含む): 1721889792

約数和(自身を除く): 994149232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 191, 194, 382, 388, 485, 491, 764, 776, 955, 970, 982, 1528, 1552, 1910, 1940, 1964, 2455, 3056, 3820, 3880, 3928, 4910, 7640, 7760, 7856, 9820, 15280, 18527, 19640, 37054, 39280, 47627, 74108, 92635, 93781, 95254, 148216, 185270, 187562, 190508, 238135, 296432, 370540, 375124, 381016, 468905, 476270, 741080, 750248, 762032, 937810, 952540, 1482160, 1500496, 1875620, 1905080, 3751240, 3810160, 7502480, 9096757, 18193514, 36387028, 45483785, 72774056, 90967570, 145548112, 181935140, 363870280, 727740560]

約数ペア:

[(1, 727740560), (2, 363870280), (4, 181935140), (5, 145548112), (8, 90967570), (10, 72774056), (16, 45483785), (20, 36387028), (40, 18193514), (80, 9096757), (97, 7502480), (191, 3810160), (194, 3751240), (382, 1905080), (388, 1875620), (485, 1500496), (491, 1482160), (764, 952540), (776, 937810), (955, 762032), (970, 750248), (982, 741080), (1528, 476270), (1552, 468905), (1910, 381016), (1940, 375124), (1964, 370540), (2455, 296432), (3056, 238135), (3820, 190508), (3880, 187562), (3928, 185270), (4910, 148216), (7640, 95254), (7760, 93781), (7856, 92635), (9820, 74108), (15280, 47627), (18527, 39280), (19640, 37054)]