30845420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 67555488

約数和(自身を除く): 36710068

約数列:

[1, 2, 4, 5, 10, 20, 37, 73, 74, 146, 148, 185, 292, 365, 370, 571, 730, 740, 1142, 1460, 2284, 2701, 2855, 5402, 5710, 10804, 11420, 13505, 21127, 27010, 41683, 42254, 54020, 83366, 84508, 105635, 166732, 208415, 211270, 416830, 422540, 833660, 1542271, 3084542, 6169084, 7711355, 15422710, 30845420]

約数ペア:

[(1, 30845420), (2, 15422710), (4, 7711355), (5, 6169084), (10, 3084542), (20, 1542271), (37, 833660), (73, 422540), (74, 416830), (146, 211270), (148, 208415), (185, 166732), (292, 105635), (365, 84508), (370, 83366), (571, 54020), (730, 42254), (740, 41683), (1142, 27010), (1460, 21127), (2284, 13505), (2701, 11420), (2855, 10804), (5402, 5710)]