206340220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{1231}}^1$

素因数の和:1303

約数の個数: 72

約数和(自身を含む): 476562240

約数和(自身を除く): 270222020

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 289, 290, 340, 493, 578, 580, 986, 1156, 1231, 1445, 1972, 2462, 2465, 2890, 4924, 4930, 5780, 6155, 8381, 9860, 12310, 16762, 20927, 24620, 33524, 35699, 41854, 41905, 71398, 83708, 83810, 104635, 142796, 167620, 178495, 209270, 355759, 356990, 418540, 606883, 711518, 713980, 1213766, 1423036, 1778795, 2427532, 3034415, 3557590, 6068830, 7115180, 10317011, 12137660, 20634022, 41268044, 51585055, 103170110, 206340220]

約数ペア:

[(1, 206340220), (2, 103170110), (4, 51585055), (5, 41268044), (10, 20634022), (17, 12137660), (20, 10317011), (29, 7115180), (34, 6068830), (58, 3557590), (68, 3034415), (85, 2427532), (116, 1778795), (145, 1423036), (170, 1213766), (289, 713980), (290, 711518), (340, 606883), (493, 418540), (578, 356990), (580, 355759), (986, 209270), (1156, 178495), (1231, 167620), (1445, 142796), (1972, 104635), (2462, 83810), (2465, 83708), (2890, 71398), (4924, 41905), (4930, 41854), (5780, 35699), (6155, 33524), (8381, 24620), (9860, 20927), (12310, 16762)]