290870560

素因数分解:

$2^5\times 5^1\times {\mathrm{349}}^1\times {\mathrm{5209}}^1$

素因数の和:5573

約数の個数: 48

約数和(自身を含む): 689283000

約数和(自身を除く): 398412440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 349, 698, 1396, 1745, 2792, 3490, 5209, 5584, 6980, 10418, 11168, 13960, 20836, 26045, 27920, 41672, 52090, 55840, 83344, 104180, 166688, 208360, 416720, 833440, 1817941, 3635882, 7271764, 9089705, 14543528, 18179410, 29087056, 36358820, 58174112, 72717640, 145435280, 290870560]

約数ペア:

[(1, 290870560), (2, 145435280), (4, 72717640), (5, 58174112), (8, 36358820), (10, 29087056), (16, 18179410), (20, 14543528), (32, 9089705), (40, 7271764), (80, 3635882), (160, 1817941), (349, 833440), (698, 416720), (1396, 208360), (1745, 166688), (2792, 104180), (3490, 83344), (5209, 55840), (5584, 52090), (6980, 41672), (10418, 27920), (11168, 26045), (13960, 20836)]