477785020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{40559}}^1$

素因数の和:40618

約数の個数: 48

約数和(自身を含む): 1090252800

約数和(自身を除く): 612467780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 40559, 81118, 162236, 202795, 405590, 770621, 811180, 1257329, 1541242, 2514658, 3082484, 3853105, 5029316, 6286645, 7706210, 12573290, 15412420, 23889251, 25146580, 47778502, 95557004, 119446255, 238892510, 477785020]

約数ペア:

[(1, 477785020), (2, 238892510), (4, 119446255), (5, 95557004), (10, 47778502), (19, 25146580), (20, 23889251), (31, 15412420), (38, 12573290), (62, 7706210), (76, 6286645), (95, 5029316), (124, 3853105), (155, 3082484), (190, 2514658), (310, 1541242), (380, 1257329), (589, 811180), (620, 770621), (1178, 405590), (2356, 202795), (2945, 162236), (5890, 81118), (11780, 40559)]