161843740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{769}}^1$

素因数の和:1414

約数の個数: 48

約数和(自身を含む): 360914400

約数和(自身を除く): 199070660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 619, 769, 1238, 1538, 2476, 3076, 3095, 3845, 6190, 7690, 10523, 12380, 13073, 15380, 21046, 26146, 42092, 52292, 52615, 65365, 105230, 130730, 210460, 261460, 476011, 952022, 1904044, 2380055, 4760110, 8092187, 9520220, 16184374, 32368748, 40460935, 80921870, 161843740]

約数ペア:

[(1, 161843740), (2, 80921870), (4, 40460935), (5, 32368748), (10, 16184374), (17, 9520220), (20, 8092187), (34, 4760110), (68, 2380055), (85, 1904044), (170, 952022), (340, 476011), (619, 261460), (769, 210460), (1238, 130730), (1538, 105230), (2476, 65365), (3076, 52615), (3095, 52292), (3845, 42092), (6190, 26146), (7690, 21046), (10523, 15380), (12380, 13073)]