1279343060

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{659}}^1\times {\mathrm{859}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 2717668800

約数和(自身を除く): 1438325740

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 659, 859, 1130, 1318, 1718, 2260, 2636, 3295, 3436, 4295, 6590, 8590, 13180, 17180, 74467, 97067, 148934, 194134, 297868, 372335, 388268, 485335, 566081, 744670, 970670, 1132162, 1489340, 1941340, 2264324, 2830405, 5660810, 11321620, 63967153, 127934306, 255868612, 319835765, 639671530, 1279343060]

約数ペア:

[(1, 1279343060), (2, 639671530), (4, 319835765), (5, 255868612), (10, 127934306), (20, 63967153), (113, 11321620), (226, 5660810), (452, 2830405), (565, 2264324), (659, 1941340), (859, 1489340), (1130, 1132162), (1318, 970670), (1718, 744670), (2260, 566081), (2636, 485335), (3295, 388268), (3436, 372335), (4295, 297868), (6590, 194134), (8590, 148934), (13180, 97067), (17180, 74467)]