202106420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8719}}^1$

素因数の和:8808

約数の個数: 48

約数和(自身を含む): 454137600

約数和(自身を除く): 252031180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1220, 2318, 4636, 5795, 8719, 11590, 17438, 23180, 34876, 43595, 87190, 165661, 174380, 331322, 531859, 662644, 828305, 1063718, 1656610, 2127436, 2659295, 3313220, 5318590, 10105321, 10637180, 20210642, 40421284, 50526605, 101053210, 202106420]

約数ペア:

[(1, 202106420), (2, 101053210), (4, 50526605), (5, 40421284), (10, 20210642), (19, 10637180), (20, 10105321), (38, 5318590), (61, 3313220), (76, 2659295), (95, 2127436), (122, 1656610), (190, 1063718), (244, 828305), (305, 662644), (380, 531859), (610, 331322), (1159, 174380), (1220, 165661), (2318, 87190), (4636, 43595), (5795, 34876), (8719, 23180), (11590, 17438)]