1139689870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1999}}^1$

素因数の和:2161

約数の個数: 64

約数和(自身を含む): 2301696000

約数和(自身を除く): 1162006130

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 73, 110, 142, 146, 355, 365, 710, 730, 781, 803, 1562, 1606, 1999, 3905, 3998, 4015, 5183, 7810, 8030, 9995, 10366, 19990, 21989, 25915, 43978, 51830, 57013, 109945, 114026, 141929, 145927, 219890, 283858, 285065, 291854, 570130, 709645, 729635, 1419290, 1459270, 1561219, 1605197, 3122438, 3210394, 7806095, 8025985, 10360817, 15612190, 16051970, 20721634, 51804085, 103608170, 113968987, 227937974, 569844935, 1139689870]

約数ペア:

[(1, 1139689870), (2, 569844935), (5, 227937974), (10, 113968987), (11, 103608170), (22, 51804085), (55, 20721634), (71, 16051970), (73, 15612190), (110, 10360817), (142, 8025985), (146, 7806095), (355, 3210394), (365, 3122438), (710, 1605197), (730, 1561219), (781, 1459270), (803, 1419290), (1562, 729635), (1606, 709645), (1999, 570130), (3905, 291854), (3998, 285065), (4015, 283858), (5183, 219890), (7810, 145927), (8030, 141929), (9995, 114026), (10366, 109945), (19990, 57013), (21989, 51830), (25915, 43978)]