129309200

素因数分解:

$2^4\times 5^2\times {\mathrm{323273}}^1$

素因数の和:323291

約数の個数: 30

約数和(自身を含む): 310666314

約数和(自身を除く): 181357114

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 323273, 646546, 1293092, 1616365, 2586184, 3232730, 5172368, 6465460, 8081825, 12930920, 16163650, 25861840, 32327300, 64654600, 129309200]

約数ペア:

[(1, 129309200), (2, 64654600), (4, 32327300), (5, 25861840), (8, 16163650), (10, 12930920), (16, 8081825), (20, 6465460), (25, 5172368), (40, 3232730), (50, 2586184), (80, 1616365), (100, 1293092), (200, 646546), (400, 323273)]