393518120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{2281}}^1$

素因数の和:2538

約数の個数: 64

約数和(自身を含む): 936532800

約数和(自身を除く): 543014680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 227, 380, 454, 760, 908, 1135, 1816, 2270, 2281, 4313, 4540, 4562, 8626, 9080, 9124, 11405, 17252, 18248, 21565, 22810, 34504, 43130, 43339, 45620, 86260, 86678, 91240, 172520, 173356, 216695, 346712, 433390, 517787, 866780, 1035574, 1733560, 2071148, 2588935, 4142296, 5177870, 9837953, 10355740, 19675906, 20711480, 39351812, 49189765, 78703624, 98379530, 196759060, 393518120]

約数ペア:

[(1, 393518120), (2, 196759060), (4, 98379530), (5, 78703624), (8, 49189765), (10, 39351812), (19, 20711480), (20, 19675906), (38, 10355740), (40, 9837953), (76, 5177870), (95, 4142296), (152, 2588935), (190, 2071148), (227, 1733560), (380, 1035574), (454, 866780), (760, 517787), (908, 433390), (1135, 346712), (1816, 216695), (2270, 173356), (2281, 172520), (4313, 91240), (4540, 86678), (4562, 86260), (8626, 45620), (9080, 43339), (9124, 43130), (11405, 34504), (17252, 22810), (18248, 21565)]