3408280

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{613}}^1$

素因数の和:763

約数の個数: 32

約数和(自身を含む): 7736400

約数和(自身を除く): 4328120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 613, 695, 1112, 1226, 1390, 2452, 2780, 3065, 4904, 5560, 6130, 12260, 24520, 85207, 170414, 340828, 426035, 681656, 852070, 1704140, 3408280]

約数ペア:

[(1, 3408280), (2, 1704140), (4, 852070), (5, 681656), (8, 426035), (10, 340828), (20, 170414), (40, 85207), (139, 24520), (278, 12260), (556, 6130), (613, 5560), (695, 4904), (1112, 3065), (1226, 2780), (1390, 2452)]