127188100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{431}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 299230848

約数和(自身を除く): 172042748

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 227, 260, 325, 431, 454, 650, 862, 908, 1135, 1300, 1724, 2155, 2270, 2951, 4310, 4540, 5603, 5675, 5902, 8620, 10775, 11206, 11350, 11804, 14755, 21550, 22412, 22700, 28015, 29510, 43100, 56030, 59020, 73775, 97837, 112060, 140075, 147550, 195674, 280150, 295100, 391348, 489185, 560300, 978370, 1271881, 1956740, 2445925, 2543762, 4891850, 5087524, 6359405, 9783700, 12718810, 25437620, 31797025, 63594050, 127188100]

約数ペア:

[(1, 127188100), (2, 63594050), (4, 31797025), (5, 25437620), (10, 12718810), (13, 9783700), (20, 6359405), (25, 5087524), (26, 4891850), (50, 2543762), (52, 2445925), (65, 1956740), (100, 1271881), (130, 978370), (227, 560300), (260, 489185), (325, 391348), (431, 295100), (454, 280150), (650, 195674), (862, 147550), (908, 140075), (1135, 112060), (1300, 97837), (1724, 73775), (2155, 59020), (2270, 56030), (2951, 43100), (4310, 29510), (4540, 28015), (5603, 22700), (5675, 22412), (5902, 21550), (8620, 14755), (10775, 11804), (11206, 11350)]