208092040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 534159360

約数和(自身を除く): 326067320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 127, 130, 137, 184, 230, 254, 260, 274, 299, 460, 508, 520, 548, 598, 635, 685, 920, 1016, 1096, 1196, 1270, 1370, 1495, 1651, 1781, 2392, 2540, 2740, 2921, 2990, 3151, 3302, 3562, 5080, 5480, 5842, 5980, 6302, 6604, 7124, 8255, 8905, 11684, 11960, 12604, 13208, 14248, 14605, 15755, 16510, 17399, 17810, 23368, 25208, 29210, 31510, 33020, 34798, 35620, 37973, 40963, 58420, 63020, 66040, 69596, 71240, 75946, 81926, 86995, 116840, 126040, 139192, 151892, 163852, 173990, 189865, 204815, 226187, 303784, 327704, 347980, 379730, 400177, 409630, 452374, 695960, 759460, 800354, 819260, 904748, 1130935, 1518920, 1600708, 1638520, 1809496, 2000885, 2261870, 3201416, 4001770, 4523740, 5202301, 8003540, 9047480, 10404602, 16007080, 20809204, 26011505, 41618408, 52023010, 104046020, 208092040]

約数ペア:

[(1, 208092040), (2, 104046020), (4, 52023010), (5, 41618408), (8, 26011505), (10, 20809204), (13, 16007080), (20, 10404602), (23, 9047480), (26, 8003540), (40, 5202301), (46, 4523740), (52, 4001770), (65, 3201416), (92, 2261870), (104, 2000885), (115, 1809496), (127, 1638520), (130, 1600708), (137, 1518920), (184, 1130935), (230, 904748), (254, 819260), (260, 800354), (274, 759460), (299, 695960), (460, 452374), (508, 409630), (520, 400177), (548, 379730), (598, 347980), (635, 327704), (685, 303784), (920, 226187), (1016, 204815), (1096, 189865), (1196, 173990), (1270, 163852), (1370, 151892), (1495, 139192), (1651, 126040), (1781, 116840), (2392, 86995), (2540, 81926), (2740, 75946), (2921, 71240), (2990, 69596), (3151, 66040), (3302, 63020), (3562, 58420), (5080, 40963), (5480, 37973), (5842, 35620), (5980, 34798), (6302, 33020), (6604, 31510), (7124, 29210), (8255, 25208), (8905, 23368), (11684, 17810), (11960, 17399), (12604, 16510), (13208, 15755), (14248, 14605)]