123164890

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{631}}^1$

素因数の和:918

約数の個数: 32

約数和(自身を含む): 225244800

約数和(自身を除く): 102079910

約数列:

[1, 2, 5, 10, 131, 149, 262, 298, 631, 655, 745, 1262, 1310, 1490, 3155, 6310, 19519, 39038, 82661, 94019, 97595, 165322, 188038, 195190, 413305, 470095, 826610, 940190, 12316489, 24632978, 61582445, 123164890]

約数ペア:

[(1, 123164890), (2, 61582445), (5, 24632978), (10, 12316489), (131, 940190), (149, 826610), (262, 470095), (298, 413305), (631, 195190), (655, 188038), (745, 165322), (1262, 97595), (1310, 94019), (1490, 82661), (3155, 39038), (6310, 19519)]