4887740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1709}}^1$

素因数の和:1742

約数の個数: 48

約数和(自身を含む): 12065760

約数和(自身を除く): 7178020

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 1709, 2860, 3418, 6836, 8545, 17090, 18799, 22217, 34180, 37598, 44434, 75196, 88868, 93995, 111085, 187990, 222170, 244387, 375980, 444340, 488774, 977548, 1221935, 2443870, 4887740]

約数ペア:

[(1, 4887740), (2, 2443870), (4, 1221935), (5, 977548), (10, 488774), (11, 444340), (13, 375980), (20, 244387), (22, 222170), (26, 187990), (44, 111085), (52, 93995), (55, 88868), (65, 75196), (110, 44434), (130, 37598), (143, 34180), (220, 22217), (260, 18799), (286, 17090), (572, 8545), (715, 6836), (1430, 3418), (1709, 2860)]