201101960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1277}}^1$

素因数の和:1446

約数の個数: 64

約数和(自身を含む): 471121920

約数和(自身を除く): 270019960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 620, 635, 1016, 1240, 1270, 1277, 2540, 2554, 3937, 5080, 5108, 6385, 7874, 10216, 12770, 15748, 19685, 25540, 31496, 39370, 39587, 51080, 78740, 79174, 157480, 158348, 162179, 197935, 316696, 324358, 395870, 648716, 791740, 810895, 1297432, 1583480, 1621790, 3243580, 5027549, 6487160, 10055098, 20110196, 25137745, 40220392, 50275490, 100550980, 201101960]

約数ペア:

[(1, 201101960), (2, 100550980), (4, 50275490), (5, 40220392), (8, 25137745), (10, 20110196), (20, 10055098), (31, 6487160), (40, 5027549), (62, 3243580), (124, 1621790), (127, 1583480), (155, 1297432), (248, 810895), (254, 791740), (310, 648716), (508, 395870), (620, 324358), (635, 316696), (1016, 197935), (1240, 162179), (1270, 158348), (1277, 157480), (2540, 79174), (2554, 78740), (3937, 51080), (5080, 39587), (5108, 39370), (6385, 31496), (7874, 25540), (10216, 19685), (12770, 15748)]