2019949480

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1\times {\mathrm{1597}}^1$

素因数の和:2018

約数の個数: 64

約数和(自身を含む): 4606842240

約数和(自身を除く): 2586892760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 307, 412, 515, 614, 824, 1030, 1228, 1535, 1597, 2060, 2456, 3070, 3194, 4120, 6140, 6388, 7985, 12280, 12776, 15970, 31621, 31940, 63242, 63880, 126484, 158105, 164491, 252968, 316210, 328982, 490279, 632420, 657964, 822455, 980558, 1264840, 1315928, 1644910, 1961116, 2451395, 3289820, 3922232, 4902790, 6579640, 9805580, 19611160, 50498737, 100997474, 201994948, 252493685, 403989896, 504987370, 1009974740, 2019949480]

約数ペア:

[(1, 2019949480), (2, 1009974740), (4, 504987370), (5, 403989896), (8, 252493685), (10, 201994948), (20, 100997474), (40, 50498737), (103, 19611160), (206, 9805580), (307, 6579640), (412, 4902790), (515, 3922232), (614, 3289820), (824, 2451395), (1030, 1961116), (1228, 1644910), (1535, 1315928), (1597, 1264840), (2060, 980558), (2456, 822455), (3070, 657964), (3194, 632420), (4120, 490279), (6140, 328982), (6388, 316210), (7985, 252968), (12280, 164491), (12776, 158105), (15970, 126484), (31621, 63880), (31940, 63242)]