129638210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{971}}^1$

素因数の和:1083

約数の個数: 48

約数和(自身を含む): 256141440

約数和(自身を除く): 126503230

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 169, 338, 395, 790, 845, 971, 1027, 1690, 1942, 2054, 4855, 5135, 9710, 10270, 12623, 13351, 25246, 26702, 63115, 66755, 76709, 126230, 133510, 153418, 164099, 328198, 383545, 767090, 820495, 997217, 1640990, 1994434, 4986085, 9972170, 12963821, 25927642, 64819105, 129638210]

約数ペア:

[(1, 129638210), (2, 64819105), (5, 25927642), (10, 12963821), (13, 9972170), (26, 4986085), (65, 1994434), (79, 1640990), (130, 997217), (158, 820495), (169, 767090), (338, 383545), (395, 328198), (790, 164099), (845, 153418), (971, 133510), (1027, 126230), (1690, 76709), (1942, 66755), (2054, 63115), (4855, 26702), (5135, 25246), (9710, 13351), (10270, 12623)]