2225090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 4924800

約数和(自身を除く): 2699710

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 239, 245, 266, 478, 490, 665, 931, 1195, 1330, 1673, 1862, 2390, 3346, 4541, 4655, 8365, 9082, 9310, 11711, 16730, 22705, 23422, 31787, 45410, 58555, 63574, 117110, 158935, 222509, 317870, 445018, 1112545, 2225090]

約数ペア:

[(1, 2225090), (2, 1112545), (5, 445018), (7, 317870), (10, 222509), (14, 158935), (19, 117110), (35, 63574), (38, 58555), (49, 45410), (70, 31787), (95, 23422), (98, 22705), (133, 16730), (190, 11711), (239, 9310), (245, 9082), (266, 8365), (478, 4655), (490, 4541), (665, 3346), (931, 2390), (1195, 1862), (1330, 1673)]