102974140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{571}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 221405184

約数和(自身を除く): 118431044

約数列:

[1, 2, 4, 5, 10, 20, 71, 127, 142, 254, 284, 355, 508, 571, 635, 710, 1142, 1270, 1420, 2284, 2540, 2855, 5710, 9017, 11420, 18034, 36068, 40541, 45085, 72517, 81082, 90170, 145034, 162164, 180340, 202705, 290068, 362585, 405410, 725170, 810820, 1450340, 5148707, 10297414, 20594828, 25743535, 51487070, 102974140]

約数ペア:

[(1, 102974140), (2, 51487070), (4, 25743535), (5, 20594828), (10, 10297414), (20, 5148707), (71, 1450340), (127, 810820), (142, 725170), (254, 405410), (284, 362585), (355, 290068), (508, 202705), (571, 180340), (635, 162164), (710, 145034), (1142, 90170), (1270, 81082), (1420, 72517), (2284, 45085), (2540, 40541), (2855, 36068), (5710, 18034), (9017, 11420)]