400097490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1025891}}^1$

素因数の和:1025914

約数の個数: 32

約数和(自身を含む): 1034099136

約数和(自身を除く): 634001646

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1025891, 2051782, 3077673, 5129455, 6155346, 10258910, 13336583, 15388365, 26673166, 30776730, 40009749, 66682915, 80019498, 133365830, 200048745, 400097490]

約数ペア:

[(1, 400097490), (2, 200048745), (3, 133365830), (5, 80019498), (6, 66682915), (10, 40009749), (13, 30776730), (15, 26673166), (26, 15388365), (30, 13336583), (39, 10258910), (65, 6155346), (78, 5129455), (130, 3077673), (195, 2051782), (390, 1025891)]