2656890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:623

約数の個数: 48

約数和(自身を含む): 7050888

約数和(自身を除く): 4393998

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 557, 795, 954, 1114, 1590, 1671, 2385, 2785, 3342, 4770, 5013, 5570, 8355, 10026, 16710, 25065, 29521, 50130, 59042, 88563, 147605, 177126, 265689, 295210, 442815, 531378, 885630, 1328445, 2656890]

約数ペア:

[(1, 2656890), (2, 1328445), (3, 885630), (5, 531378), (6, 442815), (9, 295210), (10, 265689), (15, 177126), (18, 147605), (30, 88563), (45, 59042), (53, 50130), (90, 29521), (106, 25065), (159, 16710), (265, 10026), (318, 8355), (477, 5570), (530, 5013), (557, 4770), (795, 3342), (954, 2785), (1114, 2385), (1590, 1671)]