156920450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3491}}^1$

素因数の和:3563

約数の個数: 48

約数和(自身を含む): 311765760

約数和(自身を除く): 154845310

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 145, 155, 290, 310, 725, 775, 899, 1450, 1550, 1798, 3491, 4495, 6982, 8990, 17455, 22475, 34910, 44950, 87275, 101239, 108221, 174550, 202478, 216442, 506195, 541105, 1012390, 1082210, 2530975, 2705525, 3138409, 5061950, 5411050, 6276818, 15692045, 31384090, 78460225, 156920450]

約数ペア:

[(1, 156920450), (2, 78460225), (5, 31384090), (10, 15692045), (25, 6276818), (29, 5411050), (31, 5061950), (50, 3138409), (58, 2705525), (62, 2530975), (145, 1082210), (155, 1012390), (290, 541105), (310, 506195), (725, 216442), (775, 202478), (899, 174550), (1450, 108221), (1550, 101239), (1798, 87275), (3491, 44950), (4495, 34910), (6982, 22475), (8990, 17455)]