160958420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16193}}^1$

素因数の和:16280

約数の個数: 48

約数和(自身を含む): 391765248

約数和(自身を除く): 230806828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 16193, 32386, 64772, 80965, 113351, 161930, 226702, 323860, 453404, 566755, 1133510, 1149703, 2267020, 2299406, 4598812, 5748515, 8047921, 11497030, 16095842, 22994060, 32191684, 40239605, 80479210, 160958420]

約数ペア:

[(1, 160958420), (2, 80479210), (4, 40239605), (5, 32191684), (7, 22994060), (10, 16095842), (14, 11497030), (20, 8047921), (28, 5748515), (35, 4598812), (70, 2299406), (71, 2267020), (140, 1149703), (142, 1133510), (284, 566755), (355, 453404), (497, 323860), (710, 226702), (994, 161930), (1420, 113351), (1988, 80965), (2485, 64772), (4970, 32386), (9940, 16193)]