2749890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:675

約数の個数: 64

約数和(自身を含む): 7765632

約数和(自身を除く): 5015742

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 641, 715, 858, 1282, 1430, 1923, 2145, 3205, 3846, 4290, 6410, 7051, 8333, 9615, 14102, 16666, 19230, 21153, 24999, 35255, 41665, 42306, 49998, 70510, 83330, 91663, 105765, 124995, 183326, 211530, 249990, 274989, 458315, 549978, 916630, 1374945, 2749890]

約数ペア:

[(1, 2749890), (2, 1374945), (3, 916630), (5, 549978), (6, 458315), (10, 274989), (11, 249990), (13, 211530), (15, 183326), (22, 124995), (26, 105765), (30, 91663), (33, 83330), (39, 70510), (55, 49998), (65, 42306), (66, 41665), (78, 35255), (110, 24999), (130, 21153), (143, 19230), (165, 16666), (195, 14102), (286, 9615), (330, 8333), (390, 7051), (429, 6410), (641, 4290), (715, 3846), (858, 3205), (1282, 2145), (1430, 1923)]