724022020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1\times {\mathrm{631}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 1540401408

約数和(自身を除く): 816379388

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 557, 631, 1030, 1114, 1262, 2060, 2228, 2524, 2785, 3155, 5570, 6310, 11140, 12620, 57371, 64993, 114742, 129986, 229484, 259972, 286855, 324965, 351467, 573710, 649930, 702934, 1147420, 1299860, 1405868, 1757335, 3514670, 7029340, 36201101, 72402202, 144804404, 181005505, 362011010, 724022020]

約数ペア:

[(1, 724022020), (2, 362011010), (4, 181005505), (5, 144804404), (10, 72402202), (20, 36201101), (103, 7029340), (206, 3514670), (412, 1757335), (515, 1405868), (557, 1299860), (631, 1147420), (1030, 702934), (1114, 649930), (1262, 573710), (2060, 351467), (2228, 324965), (2524, 286855), (2785, 259972), (3155, 229484), (5570, 129986), (6310, 114742), (11140, 64993), (12620, 57371)]