1245400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{479}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 3124800

約数和(自身を除く): 1879400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 479, 520, 650, 958, 1300, 1916, 2395, 2600, 3832, 4790, 6227, 9580, 11975, 12454, 19160, 23950, 24908, 31135, 47900, 49816, 62270, 95800, 124540, 155675, 249080, 311350, 622700, 1245400]

約数ペア:

[(1, 1245400), (2, 622700), (4, 311350), (5, 249080), (8, 155675), (10, 124540), (13, 95800), (20, 62270), (25, 49816), (26, 47900), (40, 31135), (50, 24908), (52, 23950), (65, 19160), (100, 12454), (104, 11975), (130, 9580), (200, 6227), (260, 4790), (325, 3832), (479, 2600), (520, 2395), (650, 1916), (958, 1300)]