1986280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 4976640

約数和(自身を除く): 2990360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 127, 136, 170, 184, 230, 254, 340, 391, 460, 508, 635, 680, 782, 920, 1016, 1270, 1564, 1955, 2159, 2540, 2921, 3128, 3910, 4318, 5080, 5842, 7820, 8636, 10795, 11684, 14605, 15640, 17272, 21590, 23368, 29210, 43180, 49657, 58420, 86360, 99314, 116840, 198628, 248285, 397256, 496570, 993140, 1986280]

約数ペア:

[(1, 1986280), (2, 993140), (4, 496570), (5, 397256), (8, 248285), (10, 198628), (17, 116840), (20, 99314), (23, 86360), (34, 58420), (40, 49657), (46, 43180), (68, 29210), (85, 23368), (92, 21590), (115, 17272), (127, 15640), (136, 14605), (170, 11684), (184, 10795), (230, 8636), (254, 7820), (340, 5842), (391, 5080), (460, 4318), (508, 3910), (635, 3128), (680, 2921), (782, 2540), (920, 2159), (1016, 1955), (1270, 1564)]