205653940

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1\times {\mathrm{439}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 441302400

約数和(自身を除く): 235648460

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 397, 439, 590, 794, 878, 1180, 1588, 1756, 1985, 2195, 3970, 4390, 7940, 8780, 23423, 25901, 46846, 51802, 93692, 103604, 117115, 129505, 174283, 234230, 259010, 348566, 468460, 518020, 697132, 871415, 1742830, 3485660, 10282697, 20565394, 41130788, 51413485, 102826970, 205653940]

約数ペア:

[(1, 205653940), (2, 102826970), (4, 51413485), (5, 41130788), (10, 20565394), (20, 10282697), (59, 3485660), (118, 1742830), (236, 871415), (295, 697132), (397, 518020), (439, 468460), (590, 348566), (794, 259010), (878, 234230), (1180, 174283), (1588, 129505), (1756, 117115), (1985, 103604), (2195, 93692), (3970, 51802), (4390, 46846), (7940, 25901), (8780, 23423)]