388705572

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{15359}}^1$

素因数の和:15425

約数の個数: 72

約数和(自身を含む): 1062297600

約数和(自身を除く): 673592028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 171, 222, 228, 333, 342, 444, 666, 684, 703, 1332, 1406, 2109, 2812, 4218, 6327, 8436, 12654, 15359, 25308, 30718, 46077, 61436, 92154, 138231, 184308, 276462, 291821, 552924, 568283, 583642, 875463, 1136566, 1167284, 1704849, 1750926, 2273132, 2626389, 3409698, 3501852, 5114547, 5252778, 6819396, 10229094, 10505556, 10797377, 20458188, 21594754, 32392131, 43189508, 64784262, 97176393, 129568524, 194352786, 388705572]

約数ペア:

[(1, 388705572), (2, 194352786), (3, 129568524), (4, 97176393), (6, 64784262), (9, 43189508), (12, 32392131), (18, 21594754), (19, 20458188), (36, 10797377), (37, 10505556), (38, 10229094), (57, 6819396), (74, 5252778), (76, 5114547), (111, 3501852), (114, 3409698), (148, 2626389), (171, 2273132), (222, 1750926), (228, 1704849), (333, 1167284), (342, 1136566), (444, 875463), (666, 583642), (684, 568283), (703, 552924), (1332, 291821), (1406, 276462), (2109, 184308), (2812, 138231), (4218, 92154), (6327, 61436), (8436, 46077), (12654, 30718), (15359, 25308)]