198038360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{380843}}^1$

素因数の和:380867

約数の個数: 32

約数和(自身を含む): 479863440

約数和(自身を除く): 281825080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 380843, 761686, 1523372, 1904215, 3046744, 3808430, 4950959, 7616860, 9901918, 15233720, 19803836, 24754795, 39607672, 49509590, 99019180, 198038360]

約数ペア:

[(1, 198038360), (2, 99019180), (4, 49509590), (5, 39607672), (8, 24754795), (10, 19803836), (13, 15233720), (20, 9901918), (26, 7616860), (40, 4950959), (52, 3808430), (65, 3046744), (104, 1904215), (130, 1523372), (260, 761686), (520, 380843)]