129500540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{6823}}^1$

素因数の和:6918

約数の個数: 48

約数和(自身を含む): 296925888

約数和(自身を除く): 167425348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 6823, 9490, 13646, 18980, 27292, 34115, 68230, 88699, 136460, 177398, 354796, 443495, 498079, 886990, 996158, 1773980, 1992316, 2490395, 4980790, 6475027, 9961580, 12950054, 25900108, 32375135, 64750270, 129500540]

約数ペア:

[(1, 129500540), (2, 64750270), (4, 32375135), (5, 25900108), (10, 12950054), (13, 9961580), (20, 6475027), (26, 4980790), (52, 2490395), (65, 1992316), (73, 1773980), (130, 996158), (146, 886990), (260, 498079), (292, 443495), (365, 354796), (730, 177398), (949, 136460), (1460, 88699), (1898, 68230), (3796, 34115), (4745, 27292), (6823, 18980), (9490, 13646)]