1427140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 3528000

約数和(自身を除く): 2100860

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 499, 572, 715, 998, 1430, 1996, 2495, 2860, 4990, 5489, 6487, 9980, 10978, 12974, 21956, 25948, 27445, 32435, 54890, 64870, 71357, 109780, 129740, 142714, 285428, 356785, 713570, 1427140]

約数ペア:

[(1, 1427140), (2, 713570), (4, 356785), (5, 285428), (10, 142714), (11, 129740), (13, 109780), (20, 71357), (22, 64870), (26, 54890), (44, 32435), (52, 27445), (55, 25948), (65, 21956), (110, 12974), (130, 10978), (143, 9980), (220, 6487), (260, 5489), (286, 4990), (499, 2860), (572, 2495), (715, 1996), (998, 1430)]