277160440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 637056000

約数和(自身を除く): 359895560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 139, 158, 278, 316, 395, 556, 631, 632, 695, 790, 1112, 1262, 1390, 1580, 2524, 2780, 3155, 3160, 5048, 5560, 6310, 10981, 12620, 21962, 25240, 43924, 49849, 54905, 87709, 87848, 99698, 109810, 175418, 199396, 219620, 249245, 350836, 398792, 438545, 439240, 498490, 701672, 877090, 996980, 1754180, 1993960, 3508360, 6929011, 13858022, 27716044, 34645055, 55432088, 69290110, 138580220, 277160440]

約数ペア:

[(1, 277160440), (2, 138580220), (4, 69290110), (5, 55432088), (8, 34645055), (10, 27716044), (20, 13858022), (40, 6929011), (79, 3508360), (139, 1993960), (158, 1754180), (278, 996980), (316, 877090), (395, 701672), (556, 498490), (631, 439240), (632, 438545), (695, 398792), (790, 350836), (1112, 249245), (1262, 219620), (1390, 199396), (1580, 175418), (2524, 109810), (2780, 99698), (3155, 87848), (3160, 87709), (5048, 54905), (5560, 49849), (6310, 43924), (10981, 25240), (12620, 21962)]