28881420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3463}}^1$

素因数の和:3614

約数の個数: 48

約数和(自身を含む): 81473280

約数和(自身を除く): 52591860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 3463, 4170, 6926, 8340, 10389, 13852, 17315, 20778, 34630, 41556, 51945, 69260, 103890, 207780, 481357, 962714, 1444071, 1925428, 2406785, 2888142, 4813570, 5776284, 7220355, 9627140, 14440710, 28881420]

約数ペア:

[(1, 28881420), (2, 14440710), (3, 9627140), (4, 7220355), (5, 5776284), (6, 4813570), (10, 2888142), (12, 2406785), (15, 1925428), (20, 1444071), (30, 962714), (60, 481357), (139, 207780), (278, 103890), (417, 69260), (556, 51945), (695, 41556), (834, 34630), (1390, 20778), (1668, 17315), (2085, 13852), (2780, 10389), (3463, 8340), (4170, 6926)]