2018043850

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{569}}^1\times {\mathrm{797}}^1$

素因数の和:1467

約数の個数: 48

約数和(自身を含む): 3807178200

約数和(自身を除く): 1789134350

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 569, 797, 890, 1138, 1594, 2225, 2845, 3985, 4450, 5690, 7970, 14225, 19925, 28450, 39850, 50641, 70933, 101282, 141866, 253205, 354665, 453493, 506410, 709330, 906986, 1266025, 1773325, 2267465, 2532050, 3546650, 4534930, 11337325, 22674650, 40360877, 80721754, 201804385, 403608770, 1009021925, 2018043850]

約数ペア:

[(1, 2018043850), (2, 1009021925), (5, 403608770), (10, 201804385), (25, 80721754), (50, 40360877), (89, 22674650), (178, 11337325), (445, 4534930), (569, 3546650), (797, 2532050), (890, 2267465), (1138, 1773325), (1594, 1266025), (2225, 906986), (2845, 709330), (3985, 506410), (4450, 453493), (5690, 354665), (7970, 253205), (14225, 141866), (19925, 101282), (28450, 70933), (39850, 50641)]