30044360

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^2\times {\mathrm{149}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 69025500

約数和(自身を除く): 38981140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 149, 284, 298, 355, 568, 596, 710, 745, 1192, 1420, 1490, 2840, 2980, 5041, 5960, 10082, 10579, 20164, 21158, 25205, 40328, 42316, 50410, 52895, 84632, 100820, 105790, 201640, 211580, 423160, 751109, 1502218, 3004436, 3755545, 6008872, 7511090, 15022180, 30044360]

約数ペア:

[(1, 30044360), (2, 15022180), (4, 7511090), (5, 6008872), (8, 3755545), (10, 3004436), (20, 1502218), (40, 751109), (71, 423160), (142, 211580), (149, 201640), (284, 105790), (298, 100820), (355, 84632), (568, 52895), (596, 50410), (710, 42316), (745, 40328), (1192, 25205), (1420, 21158), (1490, 20164), (2840, 10579), (2980, 10082), (5041, 5960)]