201579990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1867}}^1$

素因数の和:1997

約数の個数: 64

約数和(自身を含む): 500325120

約数和(自身を除く): 298745130

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 61, 118, 122, 177, 183, 295, 305, 354, 366, 590, 610, 885, 915, 1770, 1830, 1867, 3599, 3734, 5601, 7198, 9335, 10797, 11202, 17995, 18670, 21594, 28005, 35990, 53985, 56010, 107970, 110153, 113887, 220306, 227774, 330459, 341661, 550765, 569435, 660918, 683322, 1101530, 1138870, 1652295, 1708305, 3304590, 3416610, 6719333, 13438666, 20157999, 33596665, 40315998, 67193330, 100789995, 201579990]

約数ペア:

[(1, 201579990), (2, 100789995), (3, 67193330), (5, 40315998), (6, 33596665), (10, 20157999), (15, 13438666), (30, 6719333), (59, 3416610), (61, 3304590), (118, 1708305), (122, 1652295), (177, 1138870), (183, 1101530), (295, 683322), (305, 660918), (354, 569435), (366, 550765), (590, 341661), (610, 330459), (885, 227774), (915, 220306), (1770, 113887), (1830, 110153), (1867, 107970), (3599, 56010), (3734, 53985), (5601, 35990), (7198, 28005), (9335, 21594), (10797, 18670), (11202, 17995)]