90505700

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 205523304

約数和(自身を除く): 115017604

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 61, 74, 100, 122, 148, 185, 244, 305, 370, 401, 610, 740, 802, 925, 1220, 1525, 1604, 1850, 2005, 2257, 3050, 3700, 4010, 4514, 6100, 8020, 9028, 10025, 11285, 14837, 20050, 22570, 24461, 29674, 40100, 45140, 48922, 56425, 59348, 74185, 97844, 112850, 122305, 148370, 225700, 244610, 296740, 370925, 489220, 611525, 741850, 905057, 1223050, 1483700, 1810114, 2446100, 3620228, 4525285, 9050570, 18101140, 22626425, 45252850, 90505700]

約数ペア:

[(1, 90505700), (2, 45252850), (4, 22626425), (5, 18101140), (10, 9050570), (20, 4525285), (25, 3620228), (37, 2446100), (50, 1810114), (61, 1483700), (74, 1223050), (100, 905057), (122, 741850), (148, 611525), (185, 489220), (244, 370925), (305, 296740), (370, 244610), (401, 225700), (610, 148370), (740, 122305), (802, 112850), (925, 97844), (1220, 74185), (1525, 59348), (1604, 56425), (1850, 48922), (2005, 45140), (2257, 40100), (3050, 29674), (3700, 24461), (4010, 22570), (4514, 20050), (6100, 14837), (8020, 11285), (9028, 10025)]