27213890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 58320000

約数和(自身を除く): 31106110

約数列:

[1, 2, 5, 10, 11, 19, 22, 29, 38, 55, 58, 95, 110, 145, 190, 209, 290, 319, 418, 449, 551, 638, 898, 1045, 1102, 1595, 2090, 2245, 2755, 3190, 4490, 4939, 5510, 6061, 8531, 9878, 12122, 13021, 17062, 24695, 26042, 30305, 42655, 49390, 60610, 65105, 85310, 93841, 130210, 143231, 187682, 247399, 286462, 469205, 494798, 716155, 938410, 1236995, 1432310, 2473990, 2721389, 5442778, 13606945, 27213890]

約数ペア:

[(1, 27213890), (2, 13606945), (5, 5442778), (10, 2721389), (11, 2473990), (19, 1432310), (22, 1236995), (29, 938410), (38, 716155), (55, 494798), (58, 469205), (95, 286462), (110, 247399), (145, 187682), (190, 143231), (209, 130210), (290, 93841), (319, 85310), (418, 65105), (449, 60610), (551, 49390), (638, 42655), (898, 30305), (1045, 26042), (1102, 24695), (1595, 17062), (2090, 13021), (2245, 12122), (2755, 9878), (3190, 8531), (4490, 6061), (4939, 5510)]