1220218520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1794439}}^1$

素因数の和:1794467

約数の個数: 32

約数和(自身を含む): 2906992800

約数和(自身を除く): 1686774280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1794439, 3588878, 7177756, 8972195, 14355512, 17944390, 30505463, 35888780, 61010926, 71777560, 122021852, 152527315, 244043704, 305054630, 610109260, 1220218520]

約数ペア:

[(1, 1220218520), (2, 610109260), (4, 305054630), (5, 244043704), (8, 152527315), (10, 122021852), (17, 71777560), (20, 61010926), (34, 35888780), (40, 30505463), (68, 17944390), (85, 14355512), (136, 8972195), (170, 7177756), (340, 3588878), (680, 1794439)]