289949820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{155887}}^1$

素因数の和:155930

約数の個数: 48

約数和(自身を含む): 838053888

約数和(自身を除く): 548104068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 155887, 311774, 467661, 623548, 779435, 935322, 1558870, 1870644, 2338305, 3117740, 4676610, 4832497, 9353220, 9664994, 14497491, 19329988, 24162485, 28994982, 48324970, 57989964, 72487455, 96649940, 144974910, 289949820]

約数ペア:

[(1, 289949820), (2, 144974910), (3, 96649940), (4, 72487455), (5, 57989964), (6, 48324970), (10, 28994982), (12, 24162485), (15, 19329988), (20, 14497491), (30, 9664994), (31, 9353220), (60, 4832497), (62, 4676610), (93, 3117740), (124, 2338305), (155, 1870644), (186, 1558870), (310, 935322), (372, 779435), (465, 623548), (620, 467661), (930, 311774), (1860, 155887)]