31201460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{563}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 69926976

約数和(自身を除く): 38725516

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 163, 170, 326, 340, 563, 652, 815, 1126, 1630, 2252, 2771, 2815, 3260, 5542, 5630, 9571, 11084, 11260, 13855, 19142, 27710, 38284, 47855, 55420, 91769, 95710, 183538, 191420, 367076, 458845, 917690, 1560073, 1835380, 3120146, 6240292, 7800365, 15600730, 31201460]

約数ペア:

[(1, 31201460), (2, 15600730), (4, 7800365), (5, 6240292), (10, 3120146), (17, 1835380), (20, 1560073), (34, 917690), (68, 458845), (85, 367076), (163, 191420), (170, 183538), (326, 95710), (340, 91769), (563, 55420), (652, 47855), (815, 38284), (1126, 27710), (1630, 19142), (2252, 13855), (2771, 11260), (2815, 11084), (3260, 9571), (5542, 5630)]