1640282000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{117163}}^1$

素因数の和:117193

約数の個数: 80

約数和(自身を含む): 4532840832

約数和(自身を除く): 2892558832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1400, 1750, 2000, 2800, 3500, 7000, 14000, 117163, 234326, 468652, 585815, 820141, 937304, 1171630, 1640282, 1874608, 2343260, 2929075, 3280564, 4100705, 4686520, 5858150, 6561128, 8201410, 9373040, 11716300, 13122256, 14645375, 16402820, 20503525, 23432600, 29290750, 32805640, 41007050, 46865200, 58581500, 65611280, 82014100, 102517625, 117163000, 164028200, 205035250, 234326000, 328056400, 410070500, 820141000, 1640282000]

約数ペア:

[(1, 1640282000), (2, 820141000), (4, 410070500), (5, 328056400), (7, 234326000), (8, 205035250), (10, 164028200), (14, 117163000), (16, 102517625), (20, 82014100), (25, 65611280), (28, 58581500), (35, 46865200), (40, 41007050), (50, 32805640), (56, 29290750), (70, 23432600), (80, 20503525), (100, 16402820), (112, 14645375), (125, 13122256), (140, 11716300), (175, 9373040), (200, 8201410), (250, 6561128), (280, 5858150), (350, 4686520), (400, 4100705), (500, 3280564), (560, 2929075), (700, 2343260), (875, 1874608), (1000, 1640282), (1400, 1171630), (1750, 937304), (2000, 820141), (2800, 585815), (3500, 468652), (7000, 234326), (14000, 117163)]