61920620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3467}}^1$

素因数の和:3542

約数の個数: 48

約数和(自身を含む): 139829760

約数和(自身を除く): 77909140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 3467, 3572, 4465, 6934, 8930, 13868, 17335, 17860, 34670, 65873, 69340, 131746, 162949, 263492, 325898, 329365, 651796, 658730, 814745, 1317460, 1629490, 3096031, 3258980, 6192062, 12384124, 15480155, 30960310, 61920620]

約数ペア:

[(1, 61920620), (2, 30960310), (4, 15480155), (5, 12384124), (10, 6192062), (19, 3258980), (20, 3096031), (38, 1629490), (47, 1317460), (76, 814745), (94, 658730), (95, 651796), (188, 329365), (190, 325898), (235, 263492), (380, 162949), (470, 131746), (893, 69340), (940, 65873), (1786, 34670), (3467, 17860), (3572, 17335), (4465, 13868), (6934, 8930)]