38807900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 89994240

約数和(自身を除く): 51186340

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 47, 50, 92, 94, 100, 115, 188, 230, 235, 359, 460, 470, 575, 718, 940, 1081, 1150, 1175, 1436, 1795, 2162, 2300, 2350, 3590, 4324, 4700, 5405, 7180, 8257, 8975, 10810, 16514, 16873, 17950, 21620, 27025, 33028, 33746, 35900, 41285, 54050, 67492, 82570, 84365, 108100, 165140, 168730, 206425, 337460, 388079, 412850, 421825, 776158, 825700, 843650, 1552316, 1687300, 1940395, 3880790, 7761580, 9701975, 19403950, 38807900]

約数ペア:

[(1, 38807900), (2, 19403950), (4, 9701975), (5, 7761580), (10, 3880790), (20, 1940395), (23, 1687300), (25, 1552316), (46, 843650), (47, 825700), (50, 776158), (92, 421825), (94, 412850), (100, 388079), (115, 337460), (188, 206425), (230, 168730), (235, 165140), (359, 108100), (460, 84365), (470, 82570), (575, 67492), (718, 54050), (940, 41285), (1081, 35900), (1150, 33746), (1175, 33028), (1436, 27025), (1795, 21620), (2162, 17950), (2300, 16873), (2350, 16514), (3590, 10810), (4324, 8975), (4700, 8257), (5405, 7180)]