1662220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 4128768

約数和(自身を除く): 2466548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 383, 434, 620, 766, 868, 1085, 1532, 1915, 2170, 2681, 3830, 4340, 5362, 7660, 10724, 11873, 13405, 23746, 26810, 47492, 53620, 59365, 83111, 118730, 166222, 237460, 332444, 415555, 831110, 1662220]

約数ペア:

[(1, 1662220), (2, 831110), (4, 415555), (5, 332444), (7, 237460), (10, 166222), (14, 118730), (20, 83111), (28, 59365), (31, 53620), (35, 47492), (62, 26810), (70, 23746), (124, 13405), (140, 11873), (155, 10724), (217, 7660), (310, 5362), (383, 4340), (434, 3830), (620, 2681), (766, 2170), (868, 1915), (1085, 1532)]