985400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 2473800

約数和(自身を除く): 1488400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 379, 520, 650, 758, 1300, 1516, 1895, 2600, 3032, 3790, 4927, 7580, 9475, 9854, 15160, 18950, 19708, 24635, 37900, 39416, 49270, 75800, 98540, 123175, 197080, 246350, 492700, 985400]

約数ペア:

[(1, 985400), (2, 492700), (4, 246350), (5, 197080), (8, 123175), (10, 98540), (13, 75800), (20, 49270), (25, 39416), (26, 37900), (40, 24635), (50, 19708), (52, 18950), (65, 15160), (100, 9854), (104, 9475), (130, 7580), (200, 4927), (260, 3790), (325, 3032), (379, 2600), (520, 1895), (650, 1516), (758, 1300)]