87699640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3229}}^1$

素因数の和:3344

約数の個数: 64

約数和(自身を含む): 227908800

約数和(自身を除く): 140209160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1358, 1940, 2716, 3229, 3395, 3880, 5432, 6458, 6790, 12916, 13580, 16145, 22603, 25832, 27160, 32290, 45206, 64580, 90412, 113015, 129160, 180824, 226030, 313213, 452060, 626426, 904120, 1252852, 1566065, 2192491, 2505704, 3132130, 4384982, 6264260, 8769964, 10962455, 12528520, 17539928, 21924910, 43849820, 87699640]

約数ペア:

[(1, 87699640), (2, 43849820), (4, 21924910), (5, 17539928), (7, 12528520), (8, 10962455), (10, 8769964), (14, 6264260), (20, 4384982), (28, 3132130), (35, 2505704), (40, 2192491), (56, 1566065), (70, 1252852), (97, 904120), (140, 626426), (194, 452060), (280, 313213), (388, 226030), (485, 180824), (679, 129160), (776, 113015), (970, 90412), (1358, 64580), (1940, 45206), (2716, 32290), (3229, 27160), (3395, 25832), (3880, 22603), (5432, 16145), (6458, 13580), (6790, 12916)]