123044420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1187}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 265845888

約数和(自身を除く): 142801468

約数列:

[1, 2, 4, 5, 10, 20, 71, 73, 142, 146, 284, 292, 355, 365, 710, 730, 1187, 1420, 1460, 2374, 4748, 5183, 5935, 10366, 11870, 20732, 23740, 25915, 51830, 84277, 86651, 103660, 168554, 173302, 337108, 346604, 421385, 433255, 842770, 866510, 1685540, 1733020, 6152221, 12304442, 24608884, 30761105, 61522210, 123044420]

約数ペア:

[(1, 123044420), (2, 61522210), (4, 30761105), (5, 24608884), (10, 12304442), (20, 6152221), (71, 1733020), (73, 1685540), (142, 866510), (146, 842770), (284, 433255), (292, 421385), (355, 346604), (365, 337108), (710, 173302), (730, 168554), (1187, 103660), (1420, 86651), (1460, 84277), (2374, 51830), (4748, 25915), (5183, 23740), (5935, 20732), (10366, 11870)]