1272498280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1871321}}^1$

素因数の和:1871349

約数の個数: 32

約数和(自身を含む): 3031541640

約数和(自身を除く): 1759043360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1871321, 3742642, 7485284, 9356605, 14970568, 18713210, 31812457, 37426420, 63624914, 74852840, 127249828, 159062285, 254499656, 318124570, 636249140, 1272498280]

約数ペア:

[(1, 1272498280), (2, 636249140), (4, 318124570), (5, 254499656), (8, 159062285), (10, 127249828), (17, 74852840), (20, 63624914), (34, 37426420), (40, 31812457), (68, 18713210), (85, 14970568), (136, 9356605), (170, 7485284), (340, 3742642), (680, 1871321)]