17378020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 41291712

約数和(自身を除く): 23913692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 121, 167, 172, 215, 220, 242, 334, 430, 473, 484, 605, 668, 835, 860, 946, 1210, 1670, 1837, 1892, 2365, 2420, 3340, 3674, 4730, 5203, 7181, 7348, 9185, 9460, 10406, 14362, 18370, 20207, 20812, 26015, 28724, 35905, 36740, 40414, 52030, 71810, 78991, 80828, 101035, 104060, 143620, 157982, 202070, 315964, 394955, 404140, 789910, 868901, 1579820, 1737802, 3475604, 4344505, 8689010, 17378020]

約数ペア:

[(1, 17378020), (2, 8689010), (4, 4344505), (5, 3475604), (10, 1737802), (11, 1579820), (20, 868901), (22, 789910), (43, 404140), (44, 394955), (55, 315964), (86, 202070), (110, 157982), (121, 143620), (167, 104060), (172, 101035), (215, 80828), (220, 78991), (242, 71810), (334, 52030), (430, 40414), (473, 36740), (484, 35905), (605, 28724), (668, 26015), (835, 20812), (860, 20207), (946, 18370), (1210, 14362), (1670, 10406), (1837, 9460), (1892, 9185), (2365, 7348), (2420, 7181), (3340, 5203), (3674, 4730)]