221409940

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{313}}^2$

素因数の和:748

約数の個数: 36

約数和(自身を含む): 470579004

約数和(自身を除く): 249169064

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 313, 452, 565, 626, 1130, 1252, 1565, 2260, 3130, 6260, 35369, 70738, 97969, 141476, 176845, 195938, 353690, 391876, 489845, 707380, 979690, 1959380, 11070497, 22140994, 44281988, 55352485, 110704970, 221409940]

約数ペア:

[(1, 221409940), (2, 110704970), (4, 55352485), (5, 44281988), (10, 22140994), (20, 11070497), (113, 1959380), (226, 979690), (313, 707380), (452, 489845), (565, 391876), (626, 353690), (1130, 195938), (1252, 176845), (1565, 141476), (2260, 97969), (3130, 70738), (6260, 35369)]