2149666540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{26891}}^1$

素因数の和:27478

約数の個数: 48

約数和(自身を含む): 5168427264

約数和(自身を除く): 3018760724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 571, 1142, 2284, 2855, 3997, 5710, 7994, 11420, 15988, 19985, 26891, 39970, 53782, 79940, 107564, 134455, 188237, 268910, 376474, 537820, 752948, 941185, 1882370, 3764740, 15354761, 30709522, 61419044, 76773805, 107483327, 153547610, 214966654, 307095220, 429933308, 537416635, 1074833270, 2149666540]

約数ペア:

[(1, 2149666540), (2, 1074833270), (4, 537416635), (5, 429933308), (7, 307095220), (10, 214966654), (14, 153547610), (20, 107483327), (28, 76773805), (35, 61419044), (70, 30709522), (140, 15354761), (571, 3764740), (1142, 1882370), (2284, 941185), (2855, 752948), (3997, 537820), (5710, 376474), (7994, 268910), (11420, 188237), (15988, 134455), (19985, 107564), (26891, 79940), (39970, 53782)]