238724080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{60899}}^1$

素因数の和:60926

約数の個数: 60

約数和(自身を含む): 645661800

約数和(自身を除く): 406937720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 60899, 121798, 243596, 304495, 426293, 487192, 608990, 852586, 974384, 1217980, 1705172, 2131465, 2435960, 2984051, 3410344, 4262930, 4871920, 5968102, 6820688, 8525860, 11936204, 14920255, 17051720, 23872408, 29840510, 34103440, 47744816, 59681020, 119362040, 238724080]

約数ペア:

[(1, 238724080), (2, 119362040), (4, 59681020), (5, 47744816), (7, 34103440), (8, 29840510), (10, 23872408), (14, 17051720), (16, 14920255), (20, 11936204), (28, 8525860), (35, 6820688), (40, 5968102), (49, 4871920), (56, 4262930), (70, 3410344), (80, 2984051), (98, 2435960), (112, 2131465), (140, 1705172), (196, 1217980), (245, 974384), (280, 852586), (392, 608990), (490, 487192), (560, 426293), (784, 304495), (980, 243596), (1960, 121798), (3920, 60899)]