283748320

素因数分解:

$2^5\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2741}}^1$

素因数の和:3403

約数の個数: 48

約数和(自身を含む): 671636448

約数和(自身を除く): 387888128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 647, 1294, 2588, 2741, 3235, 5176, 5482, 6470, 10352, 10964, 12940, 13705, 20704, 21928, 25880, 27410, 43856, 51760, 54820, 87712, 103520, 109640, 219280, 438560, 1773427, 3546854, 7093708, 8867135, 14187416, 17734270, 28374832, 35468540, 56749664, 70937080, 141874160, 283748320]

約数ペア:

[(1, 283748320), (2, 141874160), (4, 70937080), (5, 56749664), (8, 35468540), (10, 28374832), (16, 17734270), (20, 14187416), (32, 8867135), (40, 7093708), (80, 3546854), (160, 1773427), (647, 438560), (1294, 219280), (2588, 109640), (2741, 103520), (3235, 87712), (5176, 54820), (5482, 51760), (6470, 43856), (10352, 27410), (10964, 25880), (12940, 21928), (13705, 20704)]