206564780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{1579}}^1$

素因数の和:1830

約数の個数: 48

約数和(自身を含む): 450186240

約数和(自身を除く): 243621460

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 211, 310, 422, 620, 844, 1055, 1579, 2110, 3158, 4220, 6316, 6541, 7895, 13082, 15790, 26164, 31580, 32705, 48949, 65410, 97898, 130820, 195796, 244745, 333169, 489490, 666338, 978980, 1332676, 1665845, 3331690, 6663380, 10328239, 20656478, 41312956, 51641195, 103282390, 206564780]

約数ペア:

[(1, 206564780), (2, 103282390), (4, 51641195), (5, 41312956), (10, 20656478), (20, 10328239), (31, 6663380), (62, 3331690), (124, 1665845), (155, 1332676), (211, 978980), (310, 666338), (422, 489490), (620, 333169), (844, 244745), (1055, 195796), (1579, 130820), (2110, 97898), (3158, 65410), (4220, 48949), (6316, 32705), (6541, 31580), (7895, 26164), (13082, 15790)]