488367620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{6781}}^1$

素因数の和:7080

約数の個数: 48

約数和(自身を含む): 1108612848

約数和(自身を除く): 620245228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277, 554, 1108, 1385, 2770, 3601, 5540, 6781, 7202, 13562, 14404, 18005, 27124, 33905, 36010, 67810, 72020, 88153, 135620, 176306, 352612, 440765, 881530, 1763060, 1878337, 3756674, 7513348, 9391685, 18783370, 24418381, 37566740, 48836762, 97673524, 122091905, 244183810, 488367620]

約数ペア:

[(1, 488367620), (2, 244183810), (4, 122091905), (5, 97673524), (10, 48836762), (13, 37566740), (20, 24418381), (26, 18783370), (52, 9391685), (65, 7513348), (130, 3756674), (260, 1878337), (277, 1763060), (554, 881530), (1108, 440765), (1385, 352612), (2770, 176306), (3601, 135620), (5540, 88153), (6781, 72020), (7202, 67810), (13562, 36010), (14404, 33905), (18005, 27124)]