629680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1$

素因数の和:493

約数の個数: 40

約数和(自身を含む): 1553472

約数和(自身を除く): 923792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 463, 680, 926, 1360, 1852, 2315, 3704, 4630, 7408, 7871, 9260, 15742, 18520, 31484, 37040, 39355, 62968, 78710, 125936, 157420, 314840, 629680]

約数ペア:

[(1, 629680), (2, 314840), (4, 157420), (5, 125936), (8, 78710), (10, 62968), (16, 39355), (17, 37040), (20, 31484), (34, 18520), (40, 15742), (68, 9260), (80, 7871), (85, 7408), (136, 4630), (170, 3704), (272, 2315), (340, 1852), (463, 1360), (680, 926)]