126730400

素因数分解:

$2^5\times 5^2\times {\mathrm{157}}^1\times {\mathrm{1009}}^1$

素因数の和:1186

約数の個数: 72

約数和(自身を含む): 311659740

約数和(自身を除く): 184929340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 157, 160, 200, 314, 400, 628, 785, 800, 1009, 1256, 1570, 2018, 2512, 3140, 3925, 4036, 5024, 5045, 6280, 7850, 8072, 10090, 12560, 15700, 16144, 20180, 25120, 25225, 31400, 32288, 40360, 50450, 62800, 80720, 100900, 125600, 158413, 161440, 201800, 316826, 403600, 633652, 792065, 807200, 1267304, 1584130, 2534608, 3168260, 3960325, 5069216, 6336520, 7920650, 12673040, 15841300, 25346080, 31682600, 63365200, 126730400]

約数ペア:

[(1, 126730400), (2, 63365200), (4, 31682600), (5, 25346080), (8, 15841300), (10, 12673040), (16, 7920650), (20, 6336520), (25, 5069216), (32, 3960325), (40, 3168260), (50, 2534608), (80, 1584130), (100, 1267304), (157, 807200), (160, 792065), (200, 633652), (314, 403600), (400, 316826), (628, 201800), (785, 161440), (800, 158413), (1009, 125600), (1256, 100900), (1570, 80720), (2018, 62800), (2512, 50450), (3140, 40360), (3925, 32288), (4036, 31400), (5024, 25225), (5045, 25120), (6280, 20180), (7850, 16144), (8072, 15700), (10090, 12560)]