523900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:71

約数の個数: 54

約数和(自身を含む): 1270752

約数和(自身を除く): 746852

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 169, 260, 310, 325, 338, 403, 620, 650, 676, 775, 806, 845, 1300, 1550, 1612, 1690, 2015, 3100, 3380, 4030, 4225, 5239, 8060, 8450, 10075, 10478, 16900, 20150, 20956, 26195, 40300, 52390, 104780, 130975, 261950, 523900]

約数ペア:

[(1, 523900), (2, 261950), (4, 130975), (5, 104780), (10, 52390), (13, 40300), (20, 26195), (25, 20956), (26, 20150), (31, 16900), (50, 10478), (52, 10075), (62, 8450), (65, 8060), (100, 5239), (124, 4225), (130, 4030), (155, 3380), (169, 3100), (260, 2015), (310, 1690), (325, 1612), (338, 1550), (403, 1300), (620, 845), (650, 806), (676, 775)]