156788778980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{997511}}^1$

素因数の和:997820

約数の個数: 48

約数和(自身を含む): 341867312640

約数和(自身を除く): 185078533660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 271, 290, 542, 580, 1084, 1355, 2710, 5420, 7859, 15718, 31436, 39295, 78590, 157180, 997511, 1995022, 3990044, 4987555, 9975110, 19950220, 28927819, 57855638, 115711276, 144639095, 270325481, 289278190, 540650962, 578556380, 1081301924, 1351627405, 2703254810, 5406509620, 7839438949, 15678877898, 31357755796, 39197194745, 78394389490, 156788778980]

約数ペア:

[(1, 156788778980), (2, 78394389490), (4, 39197194745), (5, 31357755796), (10, 15678877898), (20, 7839438949), (29, 5406509620), (58, 2703254810), (116, 1351627405), (145, 1081301924), (271, 578556380), (290, 540650962), (542, 289278190), (580, 270325481), (1084, 144639095), (1355, 115711276), (2710, 57855638), (5420, 28927819), (7859, 19950220), (15718, 9975110), (31436, 4987555), (39295, 3990044), (78590, 1995022), (157180, 997511)]