1489540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 3577392

約数和(自身を除く): 2087852

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 337, 340, 442, 674, 884, 1105, 1348, 1685, 2210, 3370, 4381, 4420, 5729, 6740, 8762, 11458, 17524, 21905, 22916, 28645, 43810, 57290, 74477, 87620, 114580, 148954, 297908, 372385, 744770, 1489540]

約数ペア:

[(1, 1489540), (2, 744770), (4, 372385), (5, 297908), (10, 148954), (13, 114580), (17, 87620), (20, 74477), (26, 57290), (34, 43810), (52, 28645), (65, 22916), (68, 21905), (85, 17524), (130, 11458), (170, 8762), (221, 6740), (260, 5729), (337, 4420), (340, 4381), (442, 3370), (674, 2210), (884, 1685), (1105, 1348)]