290462720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{56731}}^1$

素因数の和:56756

約数の個数: 44

約数和(自身を含む): 696782424

約数和(自身を除く): 406319704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 56731, 113462, 226924, 283655, 453848, 567310, 907696, 1134620, 1815392, 2269240, 3630784, 4538480, 7261568, 9076960, 14523136, 18153920, 29046272, 36307840, 58092544, 72615680, 145231360, 290462720]

約数ペア:

[(1, 290462720), (2, 145231360), (4, 72615680), (5, 58092544), (8, 36307840), (10, 29046272), (16, 18153920), (20, 14523136), (32, 9076960), (40, 7261568), (64, 4538480), (80, 3630784), (128, 2269240), (160, 1815392), (256, 1134620), (320, 907696), (512, 567310), (640, 453848), (1024, 283655), (1280, 226924), (2560, 113462), (5120, 56731)]