97857980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:651

約数の個数: 96

約数和(自身を含む): 242161920

約数和(自身を除く): 144303940

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 41, 44, 55, 76, 82, 95, 110, 164, 190, 205, 209, 220, 380, 410, 418, 451, 571, 779, 820, 836, 902, 1045, 1142, 1558, 1804, 2090, 2255, 2284, 2855, 3116, 3895, 4180, 4510, 5710, 6281, 7790, 8569, 9020, 10849, 11420, 12562, 15580, 17138, 21698, 23411, 25124, 31405, 34276, 42845, 43396, 46822, 54245, 62810, 85690, 93644, 108490, 117055, 119339, 125620, 171380, 216980, 234110, 238678, 257521, 444809, 468220, 477356, 515042, 596695, 889618, 1030084, 1193390, 1287605, 1779236, 2224045, 2386780, 2575210, 4448090, 4892899, 5150420, 8896180, 9785798, 19571596, 24464495, 48928990, 97857980]

約数ペア:

[(1, 97857980), (2, 48928990), (4, 24464495), (5, 19571596), (10, 9785798), (11, 8896180), (19, 5150420), (20, 4892899), (22, 4448090), (38, 2575210), (41, 2386780), (44, 2224045), (55, 1779236), (76, 1287605), (82, 1193390), (95, 1030084), (110, 889618), (164, 596695), (190, 515042), (205, 477356), (209, 468220), (220, 444809), (380, 257521), (410, 238678), (418, 234110), (451, 216980), (571, 171380), (779, 125620), (820, 119339), (836, 117055), (902, 108490), (1045, 93644), (1142, 85690), (1558, 62810), (1804, 54245), (2090, 46822), (2255, 43396), (2284, 42845), (2855, 34276), (3116, 31405), (3895, 25124), (4180, 23411), (4510, 21698), (5710, 17138), (6281, 15580), (7790, 12562), (8569, 11420), (9020, 10849)]