216586420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1\times {\mathrm{599}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 462672000

約数和(自身を除く): 246085580

約数列:

[1, 2, 4, 5, 10, 20, 101, 179, 202, 358, 404, 505, 599, 716, 895, 1010, 1198, 1790, 2020, 2396, 2995, 3580, 5990, 11980, 18079, 36158, 60499, 72316, 90395, 107221, 120998, 180790, 214442, 241996, 302495, 361580, 428884, 536105, 604990, 1072210, 1209980, 2144420, 10829321, 21658642, 43317284, 54146605, 108293210, 216586420]

約数ペア:

[(1, 216586420), (2, 108293210), (4, 54146605), (5, 43317284), (10, 21658642), (20, 10829321), (101, 2144420), (179, 1209980), (202, 1072210), (358, 604990), (404, 536105), (505, 428884), (599, 361580), (716, 302495), (895, 241996), (1010, 214442), (1198, 180790), (1790, 120998), (2020, 107221), (2396, 90395), (2995, 72316), (3580, 60499), (5990, 36158), (11980, 18079)]