289014740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{7193}}^1$

素因数の和:7257

約数の個数: 72

約数和(自身を含む): 723342312

約数和(自身を除く): 434327572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2870, 4018, 5740, 7193, 8036, 10045, 14386, 20090, 28772, 35965, 40180, 50351, 71930, 100702, 143860, 201404, 251755, 294913, 352457, 503510, 589826, 704914, 1007020, 1179652, 1409828, 1474565, 1762285, 2064391, 2949130, 3524570, 4128782, 5898260, 7049140, 8257564, 10321955, 14450737, 20643910, 28901474, 41287820, 57802948, 72253685, 144507370, 289014740]

約数ペア:

[(1, 289014740), (2, 144507370), (4, 72253685), (5, 57802948), (7, 41287820), (10, 28901474), (14, 20643910), (20, 14450737), (28, 10321955), (35, 8257564), (41, 7049140), (49, 5898260), (70, 4128782), (82, 3524570), (98, 2949130), (140, 2064391), (164, 1762285), (196, 1474565), (205, 1409828), (245, 1179652), (287, 1007020), (410, 704914), (490, 589826), (574, 503510), (820, 352457), (980, 294913), (1148, 251755), (1435, 201404), (2009, 143860), (2870, 100702), (4018, 71930), (5740, 50351), (7193, 40180), (8036, 35965), (10045, 28772), (14386, 20090)]