169917080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{443}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 393845760

約数和(自身を除く): 223928680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 223, 344, 430, 443, 446, 860, 886, 892, 1115, 1720, 1772, 1784, 2215, 2230, 3544, 4430, 4460, 8860, 8920, 9589, 17720, 19049, 19178, 38098, 38356, 47945, 76196, 76712, 95245, 95890, 98789, 152392, 190490, 191780, 197578, 380980, 383560, 395156, 493945, 761960, 790312, 987890, 1975780, 3951560, 4247927, 8495854, 16991708, 21239635, 33983416, 42479270, 84958540, 169917080]

約数ペア:

[(1, 169917080), (2, 84958540), (4, 42479270), (5, 33983416), (8, 21239635), (10, 16991708), (20, 8495854), (40, 4247927), (43, 3951560), (86, 1975780), (172, 987890), (215, 790312), (223, 761960), (344, 493945), (430, 395156), (443, 383560), (446, 380980), (860, 197578), (886, 191780), (892, 190490), (1115, 152392), (1720, 98789), (1772, 95890), (1784, 95245), (2215, 76712), (2230, 76196), (3544, 47945), (4430, 38356), (4460, 38098), (8860, 19178), (8920, 19049), (9589, 17720)]