439707020

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1\times {\mathrm{523}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 935251968

約数和(自身を除く): 495544948

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 331, 508, 523, 635, 662, 1046, 1270, 1324, 1655, 2092, 2540, 2615, 3310, 5230, 6620, 10460, 42037, 66421, 84074, 132842, 168148, 173113, 210185, 265684, 332105, 346226, 420370, 664210, 692452, 840740, 865565, 1328420, 1731130, 3462260, 21985351, 43970702, 87941404, 109926755, 219853510, 439707020]

約数ペア:

[(1, 439707020), (2, 219853510), (4, 109926755), (5, 87941404), (10, 43970702), (20, 21985351), (127, 3462260), (254, 1731130), (331, 1328420), (508, 865565), (523, 840740), (635, 692452), (662, 664210), (1046, 420370), (1270, 346226), (1324, 332105), (1655, 265684), (2092, 210185), (2540, 173113), (2615, 168148), (3310, 132842), (5230, 84074), (6620, 66421), (10460, 42037)]