285755554

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{83}}^1$

素因数の和:204

約数の個数: 72

約数和(自身を含む): 543821040

約数和(自身を除く): 258065486

約数列:

[1, 2, 7, 14, 19, 38, 43, 49, 83, 86, 98, 133, 166, 266, 301, 581, 602, 817, 931, 1162, 1577, 1634, 1849, 1862, 2107, 3154, 3569, 3698, 4067, 4214, 5719, 7138, 8134, 11039, 11438, 12943, 22078, 24983, 25886, 35131, 40033, 49966, 67811, 70262, 77273, 80066, 90601, 135622, 153467, 154546, 174881, 181202, 245917, 306934, 349762, 474677, 491834, 949354, 1074269, 1721419, 2148538, 2915873, 3322739, 3442838, 5831746, 6645478, 7519883, 15039766, 20411111, 40822222, 142877777, 285755554]

約数ペア:

[(1, 285755554), (2, 142877777), (7, 40822222), (14, 20411111), (19, 15039766), (38, 7519883), (43, 6645478), (49, 5831746), (83, 3442838), (86, 3322739), (98, 2915873), (133, 2148538), (166, 1721419), (266, 1074269), (301, 949354), (581, 491834), (602, 474677), (817, 349762), (931, 306934), (1162, 245917), (1577, 181202), (1634, 174881), (1849, 154546), (1862, 153467), (2107, 135622), (3154, 90601), (3569, 80066), (3698, 77273), (4067, 70262), (4214, 67811), (5719, 49966), (7138, 40033), (8134, 35131), (11039, 25886), (11438, 24983), (12943, 22078)]