31116460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1289}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 70217280

約数和(自身を除く): 39100820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 710, 1207, 1289, 1420, 2414, 2578, 4828, 5156, 6035, 6445, 12070, 12890, 21913, 24140, 25780, 43826, 87652, 91519, 109565, 183038, 219130, 366076, 438260, 457595, 915190, 1555823, 1830380, 3111646, 6223292, 7779115, 15558230, 31116460]

約数ペア:

[(1, 31116460), (2, 15558230), (4, 7779115), (5, 6223292), (10, 3111646), (17, 1830380), (20, 1555823), (34, 915190), (68, 457595), (71, 438260), (85, 366076), (142, 219130), (170, 183038), (284, 109565), (340, 91519), (355, 87652), (710, 43826), (1207, 25780), (1289, 24140), (1420, 21913), (2414, 12890), (2578, 12070), (4828, 6445), (5156, 6035)]