449800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 1132740

約数和(自身を除く): 682940

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 173, 200, 260, 325, 346, 520, 650, 692, 865, 1300, 1384, 1730, 2249, 2600, 3460, 4325, 4498, 6920, 8650, 8996, 11245, 17300, 17992, 22490, 34600, 44980, 56225, 89960, 112450, 224900, 449800]

約数ペア:

[(1, 449800), (2, 224900), (4, 112450), (5, 89960), (8, 56225), (10, 44980), (13, 34600), (20, 22490), (25, 17992), (26, 17300), (40, 11245), (50, 8996), (52, 8650), (65, 6920), (100, 4498), (104, 4325), (130, 3460), (173, 2600), (200, 2249), (260, 1730), (325, 1384), (346, 1300), (520, 865), (650, 692)]