258854860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61927}}^1$

素因数の和:61966

約数の個数: 48

約数和(自身を含む): 624234240

約数和(自身を除く): 365379380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 61927, 123854, 247708, 309635, 619270, 681197, 1176613, 1238540, 1362394, 2353226, 2724788, 3405985, 4706452, 5883065, 6811970, 11766130, 12942743, 13623940, 23532260, 25885486, 51770972, 64713715, 129427430, 258854860]

約数ペア:

[(1, 258854860), (2, 129427430), (4, 64713715), (5, 51770972), (10, 25885486), (11, 23532260), (19, 13623940), (20, 12942743), (22, 11766130), (38, 6811970), (44, 5883065), (55, 4706452), (76, 3405985), (95, 2724788), (110, 2353226), (190, 1362394), (209, 1238540), (220, 1176613), (380, 681197), (418, 619270), (836, 309635), (1045, 247708), (2090, 123854), (4180, 61927)]