17561140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 20541260

約数列:

[1, 2, 4, 5, 10, 20, 71, 83, 142, 149, 166, 284, 298, 332, 355, 415, 596, 710, 745, 830, 1420, 1490, 1660, 2980, 5893, 10579, 11786, 12367, 21158, 23572, 24734, 29465, 42316, 49468, 52895, 58930, 61835, 105790, 117860, 123670, 211580, 247340, 878057, 1756114, 3512228, 4390285, 8780570, 17561140]

約数ペア:

[(1, 17561140), (2, 8780570), (4, 4390285), (5, 3512228), (10, 1756114), (20, 878057), (71, 247340), (83, 211580), (142, 123670), (149, 117860), (166, 105790), (284, 61835), (298, 58930), (332, 52895), (355, 49468), (415, 42316), (596, 29465), (710, 24734), (745, 23572), (830, 21158), (1420, 12367), (1490, 11786), (1660, 10579), (2980, 5893)]