161917000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{23131}}^1$

素因数の和:23159

約数の個数: 64

約数和(自身を含む): 433031040

約数和(自身を除く): 271114040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 7000, 23131, 46262, 92524, 115655, 161917, 185048, 231310, 323834, 462620, 578275, 647668, 809585, 925240, 1156550, 1295336, 1619170, 2313100, 2891375, 3238340, 4047925, 4626200, 5782750, 6476680, 8095850, 11565500, 16191700, 20239625, 23131000, 32383400, 40479250, 80958500, 161917000]

約数ペア:

[(1, 161917000), (2, 80958500), (4, 40479250), (5, 32383400), (7, 23131000), (8, 20239625), (10, 16191700), (14, 11565500), (20, 8095850), (25, 6476680), (28, 5782750), (35, 4626200), (40, 4047925), (50, 3238340), (56, 2891375), (70, 2313100), (100, 1619170), (125, 1295336), (140, 1156550), (175, 925240), (200, 809585), (250, 647668), (280, 578275), (350, 462620), (500, 323834), (700, 231310), (875, 185048), (1000, 161917), (1400, 115655), (1750, 92524), (3500, 46262), (7000, 23131)]