202320755

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 307006560

約数和(自身を除く): 104685805

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 139, 245, 455, 457, 637, 695, 973, 1807, 2285, 3185, 3199, 4865, 5941, 6811, 9035, 12649, 15995, 22393, 29705, 34055, 41587, 63245, 63523, 88543, 111965, 207935, 291109, 317615, 442715, 444661, 825799, 1455545, 2223305, 3112627, 4128995, 5780593, 15563135, 28902965, 40464151, 202320755]

約数ペア:

[(1, 202320755), (5, 40464151), (7, 28902965), (13, 15563135), (35, 5780593), (49, 4128995), (65, 3112627), (91, 2223305), (139, 1455545), (245, 825799), (455, 444661), (457, 442715), (637, 317615), (695, 291109), (973, 207935), (1807, 111965), (2285, 88543), (3185, 63523), (3199, 63245), (4865, 41587), (5941, 34055), (6811, 29705), (9035, 22393), (12649, 15995)]