2249780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 5397840

約数和(自身を除く): 3148060

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 509, 884, 1018, 1105, 2036, 2210, 2545, 4420, 5090, 6617, 8653, 10180, 13234, 17306, 26468, 33085, 34612, 43265, 66170, 86530, 112489, 132340, 173060, 224978, 449956, 562445, 1124890, 2249780]

約数ペア:

[(1, 2249780), (2, 1124890), (4, 562445), (5, 449956), (10, 224978), (13, 173060), (17, 132340), (20, 112489), (26, 86530), (34, 66170), (52, 43265), (65, 34612), (68, 33085), (85, 26468), (130, 17306), (170, 13234), (221, 10180), (260, 8653), (340, 6617), (442, 5090), (509, 4420), (884, 2545), (1018, 2210), (1105, 2036)]