167899100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1407

約数の個数: 72

約数和(自身を含む): 385558656

約数和(自身を除く): 217659556

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 41, 50, 62, 82, 100, 124, 155, 164, 205, 310, 410, 620, 775, 820, 1025, 1271, 1321, 1550, 2050, 2542, 2642, 3100, 4100, 5084, 5284, 6355, 6605, 12710, 13210, 25420, 26420, 31775, 33025, 40951, 54161, 63550, 66050, 81902, 108322, 127100, 132100, 163804, 204755, 216644, 270805, 409510, 541610, 819020, 1023775, 1083220, 1354025, 1678991, 2047550, 2708050, 3357982, 4095100, 5416100, 6715964, 8394955, 16789910, 33579820, 41974775, 83949550, 167899100]

約数ペア:

[(1, 167899100), (2, 83949550), (4, 41974775), (5, 33579820), (10, 16789910), (20, 8394955), (25, 6715964), (31, 5416100), (41, 4095100), (50, 3357982), (62, 2708050), (82, 2047550), (100, 1678991), (124, 1354025), (155, 1083220), (164, 1023775), (205, 819020), (310, 541610), (410, 409510), (620, 270805), (775, 216644), (820, 204755), (1025, 163804), (1271, 132100), (1321, 127100), (1550, 108322), (2050, 81902), (2542, 66050), (2642, 63550), (3100, 54161), (4100, 40951), (5084, 33025), (5284, 31775), (6355, 26420), (6605, 25420), (12710, 13210)]