19902450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{277}}^1\times {\mathrm{479}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 49639680

約数和(自身を除く): 29737230

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 277, 479, 554, 831, 958, 1385, 1437, 1662, 2395, 2770, 2874, 4155, 4790, 6925, 7185, 8310, 11975, 13850, 14370, 20775, 23950, 35925, 41550, 71850, 132683, 265366, 398049, 663415, 796098, 1326830, 1990245, 3317075, 3980490, 6634150, 9951225, 19902450]

約数ペア:

[(1, 19902450), (2, 9951225), (3, 6634150), (5, 3980490), (6, 3317075), (10, 1990245), (15, 1326830), (25, 796098), (30, 663415), (50, 398049), (75, 265366), (150, 132683), (277, 71850), (479, 41550), (554, 35925), (831, 23950), (958, 20775), (1385, 14370), (1437, 13850), (1662, 11975), (2395, 8310), (2770, 7185), (2874, 6925), (4155, 4790)]