61123940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{317}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 133346304

約数和(自身を除く): 72222364

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 311, 317, 620, 622, 634, 1244, 1268, 1555, 1585, 3110, 3170, 6220, 6340, 9641, 9827, 19282, 19654, 38564, 39308, 48205, 49135, 96410, 98270, 98587, 192820, 196540, 197174, 394348, 492935, 985870, 1971740, 3056197, 6112394, 12224788, 15280985, 30561970, 61123940]

約数ペア:

[(1, 61123940), (2, 30561970), (4, 15280985), (5, 12224788), (10, 6112394), (20, 3056197), (31, 1971740), (62, 985870), (124, 492935), (155, 394348), (310, 197174), (311, 196540), (317, 192820), (620, 98587), (622, 98270), (634, 96410), (1244, 49135), (1268, 48205), (1555, 39308), (1585, 38564), (3110, 19654), (3170, 19282), (6220, 9827), (6340, 9641)]