308614740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{104971}}^1$

素因数の和:104997

約数の個数: 72

約数和(自身を含む): 1005211872

約数和(自身を除く): 696597132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 104971, 209942, 314913, 419884, 524855, 629826, 734797, 1049710, 1259652, 1469594, 1574565, 2099420, 2204391, 2939188, 3149130, 3673985, 4408782, 5143579, 6298260, 7347970, 8817564, 10287158, 11021955, 14695940, 15430737, 20574316, 22043910, 25717895, 30861474, 44087820, 51435790, 61722948, 77153685, 102871580, 154307370, 308614740]

約数ペア:

[(1, 308614740), (2, 154307370), (3, 102871580), (4, 77153685), (5, 61722948), (6, 51435790), (7, 44087820), (10, 30861474), (12, 25717895), (14, 22043910), (15, 20574316), (20, 15430737), (21, 14695940), (28, 11021955), (30, 10287158), (35, 8817564), (42, 7347970), (49, 6298260), (60, 5143579), (70, 4408782), (84, 3673985), (98, 3149130), (105, 2939188), (140, 2204391), (147, 2099420), (196, 1574565), (210, 1469594), (245, 1259652), (294, 1049710), (420, 734797), (490, 629826), (588, 524855), (735, 419884), (980, 314913), (1470, 209942), (2940, 104971)]