317581000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{28871}}^1$

素因数の和:28903

約数の個数: 64

約数和(自身を含む): 810725760

約数和(自身を除く): 493144760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 1000, 1100, 1375, 2200, 2750, 5500, 11000, 28871, 57742, 115484, 144355, 230968, 288710, 317581, 577420, 635162, 721775, 1154840, 1270324, 1443550, 1587905, 2540648, 2887100, 3175810, 3608875, 5774200, 6351620, 7217750, 7939525, 12703240, 14435500, 15879050, 28871000, 31758100, 39697625, 63516200, 79395250, 158790500, 317581000]

約数ペア:

[(1, 317581000), (2, 158790500), (4, 79395250), (5, 63516200), (8, 39697625), (10, 31758100), (11, 28871000), (20, 15879050), (22, 14435500), (25, 12703240), (40, 7939525), (44, 7217750), (50, 6351620), (55, 5774200), (88, 3608875), (100, 3175810), (110, 2887100), (125, 2540648), (200, 1587905), (220, 1443550), (250, 1270324), (275, 1154840), (440, 721775), (500, 635162), (550, 577420), (1000, 317581), (1100, 288710), (1375, 230968), (2200, 144355), (2750, 115484), (5500, 57742), (11000, 28871)]