770707960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{19681}}^1$

素因数の和:19792

約数の個数: 64

約数和(自身を含む): 1913090400

約数和(自身を除く): 1142382440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 3560, 3916, 4895, 7832, 9790, 19580, 19681, 39160, 39362, 78724, 98405, 157448, 196810, 216491, 393620, 432982, 787240, 865964, 1082455, 1731928, 1751609, 2164910, 3503218, 4329820, 7006436, 8659640, 8758045, 14012872, 17516090, 19267699, 35032180, 38535398, 70064360, 77070796, 96338495, 154141592, 192676990, 385353980, 770707960]

約数ペア:

[(1, 770707960), (2, 385353980), (4, 192676990), (5, 154141592), (8, 96338495), (10, 77070796), (11, 70064360), (20, 38535398), (22, 35032180), (40, 19267699), (44, 17516090), (55, 14012872), (88, 8758045), (89, 8659640), (110, 7006436), (178, 4329820), (220, 3503218), (356, 2164910), (440, 1751609), (445, 1731928), (712, 1082455), (890, 865964), (979, 787240), (1780, 432982), (1958, 393620), (3560, 216491), (3916, 196810), (4895, 157448), (7832, 98405), (9790, 78724), (19580, 39362), (19681, 39160)]