202758040

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 464486400

約数和(自身を除く): 261728360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 167, 239, 254, 334, 478, 508, 635, 668, 835, 956, 1016, 1195, 1270, 1336, 1670, 1912, 2390, 2540, 3340, 4780, 5080, 6680, 9560, 21209, 30353, 39913, 42418, 60706, 79826, 84836, 106045, 121412, 151765, 159652, 169672, 199565, 212090, 242824, 303530, 319304, 399130, 424180, 607060, 798260, 848360, 1214120, 1596520, 5068951, 10137902, 20275804, 25344755, 40551608, 50689510, 101379020, 202758040]

約数ペア:

[(1, 202758040), (2, 101379020), (4, 50689510), (5, 40551608), (8, 25344755), (10, 20275804), (20, 10137902), (40, 5068951), (127, 1596520), (167, 1214120), (239, 848360), (254, 798260), (334, 607060), (478, 424180), (508, 399130), (635, 319304), (668, 303530), (835, 242824), (956, 212090), (1016, 199565), (1195, 169672), (1270, 159652), (1336, 151765), (1670, 121412), (1912, 106045), (2390, 84836), (2540, 79826), (3340, 60706), (4780, 42418), (5080, 39913), (6680, 30353), (9560, 21209)]