140982730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{64969}}^1$

素因数の和:65014

約数の個数: 32

約数和(自身を含む): 299381760

約数和(自身を除く): 158399030

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 64969, 129938, 324845, 454783, 649690, 909566, 2014039, 2273915, 4028078, 4547830, 10070195, 14098273, 20140390, 28196546, 70491365, 140982730]

約数ペア:

[(1, 140982730), (2, 70491365), (5, 28196546), (7, 20140390), (10, 14098273), (14, 10070195), (31, 4547830), (35, 4028078), (62, 2273915), (70, 2014039), (155, 909566), (217, 649690), (310, 454783), (434, 324845), (1085, 129938), (2170, 64969)]