158366980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{479}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 339978240

約数和(自身を除く): 181611260

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 271, 305, 479, 542, 610, 958, 1084, 1220, 1355, 1916, 2395, 2710, 4790, 5420, 9580, 16531, 29219, 33062, 58438, 66124, 82655, 116876, 129809, 146095, 165310, 259618, 292190, 330620, 519236, 584380, 649045, 1298090, 2596180, 7918349, 15836698, 31673396, 39591745, 79183490, 158366980]

約数ペア:

[(1, 158366980), (2, 79183490), (4, 39591745), (5, 31673396), (10, 15836698), (20, 7918349), (61, 2596180), (122, 1298090), (244, 649045), (271, 584380), (305, 519236), (479, 330620), (542, 292190), (610, 259618), (958, 165310), (1084, 146095), (1220, 129809), (1355, 116876), (1916, 82655), (2395, 66124), (2710, 58438), (4790, 33062), (5420, 29219), (9580, 16531)]