2019101875

素因数分解:

$5^4\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1931}}^1$

素因数の和:2197

約数の個数: 40

約数和(自身を含む): 2897072640

約数和(自身を除く): 877970765

約数列:

[1, 5, 7, 25, 35, 125, 175, 239, 625, 875, 1195, 1673, 1931, 4375, 5975, 8365, 9655, 13517, 29875, 41825, 48275, 67585, 149375, 209125, 241375, 337925, 461509, 1045625, 1206875, 1689625, 2307545, 3230563, 8448125, 11537725, 16152815, 57688625, 80764075, 288443125, 403820375, 2019101875]

約数ペア:

[(1, 2019101875), (5, 403820375), (7, 288443125), (25, 80764075), (35, 57688625), (125, 16152815), (175, 11537725), (239, 8448125), (625, 3230563), (875, 2307545), (1195, 1689625), (1673, 1206875), (1931, 1045625), (4375, 461509), (5975, 337925), (8365, 241375), (9655, 209125), (13517, 149375), (29875, 67585), (41825, 48275)]