164311240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1451}}^1$

素因数の和:1630

約数の個数: 64

約数和(自身を含む): 392040000

約数和(自身を除く): 227728760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 380, 596, 745, 760, 1192, 1451, 1490, 2831, 2902, 2980, 5662, 5804, 5960, 7255, 11324, 11608, 14155, 14510, 22648, 27569, 28310, 29020, 55138, 56620, 58040, 110276, 113240, 137845, 216199, 220552, 275690, 432398, 551380, 864796, 1080995, 1102760, 1729592, 2161990, 4107781, 4323980, 8215562, 8647960, 16431124, 20538905, 32862248, 41077810, 82155620, 164311240]

約数ペア:

[(1, 164311240), (2, 82155620), (4, 41077810), (5, 32862248), (8, 20538905), (10, 16431124), (19, 8647960), (20, 8215562), (38, 4323980), (40, 4107781), (76, 2161990), (95, 1729592), (149, 1102760), (152, 1080995), (190, 864796), (298, 551380), (380, 432398), (596, 275690), (745, 220552), (760, 216199), (1192, 137845), (1451, 113240), (1490, 110276), (2831, 58040), (2902, 56620), (2980, 55138), (5662, 29020), (5804, 28310), (5960, 27569), (7255, 22648), (11324, 14510), (11608, 14155)]