664700

素因数分解:

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

素因数の和:71

約数の個数: 54

約数和(自身を含む): 1598856

約数和(自身を除く): 934156

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 25, 34, 46, 50, 68, 85, 92, 100, 115, 170, 230, 289, 340, 391, 425, 460, 575, 578, 782, 850, 1150, 1156, 1445, 1564, 1700, 1955, 2300, 2890, 3910, 5780, 6647, 7225, 7820, 9775, 13294, 14450, 19550, 26588, 28900, 33235, 39100, 66470, 132940, 166175, 332350, 664700]

約数ペア:

[(1, 664700), (2, 332350), (4, 166175), (5, 132940), (10, 66470), (17, 39100), (20, 33235), (23, 28900), (25, 26588), (34, 19550), (46, 14450), (50, 13294), (68, 9775), (85, 7820), (92, 7225), (100, 6647), (115, 5780), (170, 3910), (230, 2890), (289, 2300), (340, 1955), (391, 1700), (425, 1564), (460, 1445), (575, 1156), (578, 1150), (782, 850)]