90942775

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 151905456

約数和(自身を除く): 60962681

約数列:

[1, 5, 7, 11, 17, 25, 35, 49, 55, 77, 85, 119, 175, 187, 245, 275, 385, 397, 425, 539, 595, 833, 935, 1225, 1309, 1925, 1985, 2695, 2779, 2975, 4165, 4367, 4675, 6545, 6749, 9163, 9925, 13475, 13895, 19453, 20825, 21835, 30569, 32725, 33745, 45815, 47243, 69475, 74239, 97265, 109175, 152845, 168725, 213983, 229075, 236215, 330701, 371195, 486325, 519673, 764225, 1069915, 1181075, 1653505, 1855975, 2598365, 3637711, 5349575, 8267525, 12991825, 18188555, 90942775]

約数ペア:

[(1, 90942775), (5, 18188555), (7, 12991825), (11, 8267525), (17, 5349575), (25, 3637711), (35, 2598365), (49, 1855975), (55, 1653505), (77, 1181075), (85, 1069915), (119, 764225), (175, 519673), (187, 486325), (245, 371195), (275, 330701), (385, 236215), (397, 229075), (425, 213983), (539, 168725), (595, 152845), (833, 109175), (935, 97265), (1225, 74239), (1309, 69475), (1925, 47243), (1985, 45815), (2695, 33745), (2779, 32725), (2975, 30569), (4165, 21835), (4367, 20825), (4675, 19453), (6545, 13895), (6749, 13475), (9163, 9925)]