387481900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{298063}}^1$

素因数の和:298090

約数の個数: 36

約数和(自身を含む): 905518432

約数和(自身を除く): 518036532

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 298063, 596126, 1192252, 1490315, 2980630, 3874819, 5961260, 7451575, 7749638, 14903150, 15499276, 19374095, 29806300, 38748190, 77496380, 96870475, 193740950, 387481900]

約数ペア:

[(1, 387481900), (2, 193740950), (4, 96870475), (5, 77496380), (10, 38748190), (13, 29806300), (20, 19374095), (25, 15499276), (26, 14903150), (50, 7749638), (52, 7451575), (65, 5961260), (100, 3874819), (130, 2980630), (260, 1490315), (325, 1192252), (650, 596126), (1300, 298063)]