208297720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{2273}}^1$

素因数の和:2392

約数の個数: 64

約数和(自身を含む): 491184000

約数和(自身を除く): 282886280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 79, 116, 145, 158, 232, 290, 316, 395, 580, 632, 790, 1160, 1580, 2273, 2291, 3160, 4546, 4582, 9092, 9164, 11365, 11455, 18184, 18328, 22730, 22910, 45460, 45820, 65917, 90920, 91640, 131834, 179567, 263668, 329585, 359134, 527336, 659170, 718268, 897835, 1318340, 1436536, 1795670, 2636680, 3591340, 5207443, 7182680, 10414886, 20829772, 26037215, 41659544, 52074430, 104148860, 208297720]

約数ペア:

[(1, 208297720), (2, 104148860), (4, 52074430), (5, 41659544), (8, 26037215), (10, 20829772), (20, 10414886), (29, 7182680), (40, 5207443), (58, 3591340), (79, 2636680), (116, 1795670), (145, 1436536), (158, 1318340), (232, 897835), (290, 718268), (316, 659170), (395, 527336), (580, 359134), (632, 329585), (790, 263668), (1160, 179567), (1580, 131834), (2273, 91640), (2291, 90920), (3160, 65917), (4546, 45820), (4582, 45460), (9092, 22910), (9164, 22730), (11365, 18328), (11455, 18184)]