154480940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{683}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 333704448

約数和(自身を除く): 179223508

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 263, 430, 526, 683, 860, 1052, 1315, 1366, 2630, 2732, 3415, 5260, 6830, 11309, 13660, 22618, 29369, 45236, 56545, 58738, 113090, 117476, 146845, 179629, 226180, 293690, 359258, 587380, 718516, 898145, 1796290, 3592580, 7724047, 15448094, 30896188, 38620235, 77240470, 154480940]

約数ペア:

[(1, 154480940), (2, 77240470), (4, 38620235), (5, 30896188), (10, 15448094), (20, 7724047), (43, 3592580), (86, 1796290), (172, 898145), (215, 718516), (263, 587380), (430, 359258), (526, 293690), (683, 226180), (860, 179629), (1052, 146845), (1315, 117476), (1366, 113090), (2630, 58738), (2732, 56545), (3415, 45236), (5260, 29369), (6830, 22618), (11309, 13660)]