30930520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{20899}}^1$

素因数の和:20947

約数の個数: 32

約数和(自身を含む): 71478000

約数和(自身を除く): 40547480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 20899, 41798, 83596, 104495, 167192, 208990, 417980, 773263, 835960, 1546526, 3093052, 3866315, 6186104, 7732630, 15465260, 30930520]

約数ペア:

[(1, 30930520), (2, 15465260), (4, 7732630), (5, 6186104), (8, 3866315), (10, 3093052), (20, 1546526), (37, 835960), (40, 773263), (74, 417980), (148, 208990), (185, 167192), (296, 104495), (370, 83596), (740, 41798), (1480, 20899)]