388290080

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127727}}^1$

素因数の和:127761

約数の個数: 48

約数和(自身を含む): 965623680

約数和(自身を除く): 577333600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 127727, 255454, 510908, 638635, 1021816, 1277270, 2043632, 2426813, 2554540, 4087264, 4853626, 5109080, 9707252, 10218160, 12134065, 19414504, 20436320, 24268130, 38829008, 48536260, 77658016, 97072520, 194145040, 388290080]

約数ペア:

[(1, 388290080), (2, 194145040), (4, 97072520), (5, 77658016), (8, 48536260), (10, 38829008), (16, 24268130), (19, 20436320), (20, 19414504), (32, 12134065), (38, 10218160), (40, 9707252), (76, 5109080), (80, 4853626), (95, 4087264), (152, 2554540), (160, 2426813), (190, 2043632), (304, 1277270), (380, 1021816), (608, 638635), (760, 510908), (1520, 255454), (3040, 127727)]