201479568820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1889}}^1\times {\mathrm{59921}}^1$

素因数の和:61908

約数の個数: 48

約数和(自身を含む): 428094752400

約数和(自身を除く): 226615183580

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 1889, 3778, 7556, 9445, 18890, 37780, 59921, 119842, 168121, 239684, 299605, 336242, 599210, 672484, 840605, 1198420, 1681210, 3362420, 5332969, 10665938, 21331876, 26664845, 53329690, 106659380, 113190769, 226381538, 452763076, 565953845, 1131907690, 2263815380, 10073978441, 20147956882, 40295913764, 50369892205, 100739784410, 201479568820]

約数ペア:

[(1, 201479568820), (2, 100739784410), (4, 50369892205), (5, 40295913764), (10, 20147956882), (20, 10073978441), (89, 2263815380), (178, 1131907690), (356, 565953845), (445, 452763076), (890, 226381538), (1780, 113190769), (1889, 106659380), (3778, 53329690), (7556, 26664845), (9445, 21331876), (18890, 10665938), (37780, 5332969), (59921, 3362420), (119842, 1681210), (168121, 1198420), (239684, 840605), (299605, 672484), (336242, 599210)]