149702480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{45641}}^1$

素因数の和:45695

約数の個数: 40

約数和(自身を含む): 356555304

約数和(自身を除く): 206852824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 45641, 91282, 182564, 228205, 365128, 456410, 730256, 912820, 1825640, 1871281, 3651280, 3742562, 7485124, 9356405, 14970248, 18712810, 29940496, 37425620, 74851240, 149702480]

約数ペア:

[(1, 149702480), (2, 74851240), (4, 37425620), (5, 29940496), (8, 18712810), (10, 14970248), (16, 9356405), (20, 7485124), (40, 3742562), (41, 3651280), (80, 1871281), (82, 1825640), (164, 912820), (205, 730256), (328, 456410), (410, 365128), (656, 228205), (820, 182564), (1640, 91282), (3280, 45641)]