427980434

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:675

約数の個数: 64

約数和(自身を含む): 807840000

約数和(自身を除く): 379859566

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 109, 133, 203, 218, 266, 406, 509, 551, 763, 1018, 1102, 1526, 2071, 3161, 3563, 3857, 4142, 6322, 7126, 7714, 9671, 14497, 14761, 19342, 22127, 28994, 29522, 44254, 55481, 60059, 67697, 103327, 110962, 120118, 135394, 206654, 280459, 388367, 420413, 560918, 776734, 840826, 1054139, 1608949, 1963213, 2108278, 3217898, 3926426, 7378973, 11262643, 14757946, 22525286, 30570031, 61140062, 213990217, 427980434]

約数ペア:

[(1, 427980434), (2, 213990217), (7, 61140062), (14, 30570031), (19, 22525286), (29, 14757946), (38, 11262643), (58, 7378973), (109, 3926426), (133, 3217898), (203, 2108278), (218, 1963213), (266, 1608949), (406, 1054139), (509, 840826), (551, 776734), (763, 560918), (1018, 420413), (1102, 388367), (1526, 280459), (2071, 206654), (3161, 135394), (3563, 120118), (3857, 110962), (4142, 103327), (6322, 67697), (7126, 60059), (7714, 55481), (9671, 44254), (14497, 29522), (14761, 28994), (19342, 22127)]