687761860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1\times {\mathrm{2411}}^1$

素因数の和:3276

約数の個数: 48

約数和(自身を含む): 1531716480

約数和(自身を除く): 843954620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 839, 1678, 2411, 3356, 4195, 4822, 8390, 9644, 12055, 14263, 16780, 24110, 28526, 40987, 48220, 57052, 71315, 81974, 142630, 163948, 204935, 285260, 409870, 819740, 2022829, 4045658, 8091316, 10114145, 20228290, 34388093, 40456580, 68776186, 137552372, 171940465, 343880930, 687761860]

約数ペア:

[(1, 687761860), (2, 343880930), (4, 171940465), (5, 137552372), (10, 68776186), (17, 40456580), (20, 34388093), (34, 20228290), (68, 10114145), (85, 8091316), (170, 4045658), (340, 2022829), (839, 819740), (1678, 409870), (2411, 285260), (3356, 204935), (4195, 163948), (4822, 142630), (8390, 81974), (9644, 71315), (12055, 57052), (14263, 48220), (16780, 40987), (24110, 28526)]