61418420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1429}}^1$

素因数の和:1752

約数の個数: 48

約数和(自身を含む): 147987840

約数和(自身を除く): 86569420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 614, 1228, 1429, 1535, 2149, 2858, 3070, 4298, 5716, 6140, 7145, 8596, 10003, 10745, 14290, 20006, 21490, 28580, 40012, 42980, 50015, 100030, 200060, 438703, 877406, 1754812, 2193515, 3070921, 4387030, 6141842, 8774060, 12283684, 15354605, 30709210, 61418420]

約数ペア:

[(1, 61418420), (2, 30709210), (4, 15354605), (5, 12283684), (7, 8774060), (10, 6141842), (14, 4387030), (20, 3070921), (28, 2193515), (35, 1754812), (70, 877406), (140, 438703), (307, 200060), (614, 100030), (1228, 50015), (1429, 42980), (1535, 40012), (2149, 28580), (2858, 21490), (3070, 20006), (4298, 14290), (5716, 10745), (6140, 10003), (7145, 8596)]