149023240

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{9109}}^1$

素因数の和:9529

約数の個数: 32

約数和(自身を含む): 336159000

約数和(自身を除く): 187135760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 9109, 16360, 18218, 36436, 45545, 72872, 91090, 182180, 364360, 3725581, 7451162, 14902324, 18627905, 29804648, 37255810, 74511620, 149023240]

約数ペア:

[(1, 149023240), (2, 74511620), (4, 37255810), (5, 29804648), (8, 18627905), (10, 14902324), (20, 7451162), (40, 3725581), (409, 364360), (818, 182180), (1636, 91090), (2045, 72872), (3272, 45545), (4090, 36436), (8180, 18218), (9109, 16360)]