206516680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1129}}^1$

素因数の和:1426

約数の個数: 64

約数和(自身を含む): 494262000

約数和(自身を除く): 287745320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 269, 340, 538, 680, 1076, 1129, 1345, 2152, 2258, 2690, 4516, 4573, 5380, 5645, 9032, 9146, 10760, 11290, 18292, 19193, 22580, 22865, 36584, 38386, 45160, 45730, 76772, 91460, 95965, 153544, 182920, 191930, 303701, 383860, 607402, 767720, 1214804, 1518505, 2429608, 3037010, 5162917, 6074020, 10325834, 12148040, 20651668, 25814585, 41303336, 51629170, 103258340, 206516680]

約数ペア:

[(1, 206516680), (2, 103258340), (4, 51629170), (5, 41303336), (8, 25814585), (10, 20651668), (17, 12148040), (20, 10325834), (34, 6074020), (40, 5162917), (68, 3037010), (85, 2429608), (136, 1518505), (170, 1214804), (269, 767720), (340, 607402), (538, 383860), (680, 303701), (1076, 191930), (1129, 182920), (1345, 153544), (2152, 95965), (2258, 91460), (2690, 76772), (4516, 45730), (4573, 45160), (5380, 38386), (5645, 36584), (9032, 22865), (9146, 22580), (10760, 19193), (11290, 18292)]