89405960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2143}}^1$

素因数の和:2310

約数の個数: 64

約数和(自身を含む): 231552000

約数和(自身を除く): 142146040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2143, 2980, 4172, 4286, 5215, 5960, 8344, 8572, 10430, 10715, 15001, 17144, 20860, 21430, 30002, 41720, 42860, 60004, 75005, 85720, 120008, 150010, 300020, 319307, 600040, 638614, 1277228, 1596535, 2235149, 2554456, 3193070, 4470298, 6386140, 8940596, 11175745, 12772280, 17881192, 22351490, 44702980, 89405960]

約数ペア:

[(1, 89405960), (2, 44702980), (4, 22351490), (5, 17881192), (7, 12772280), (8, 11175745), (10, 8940596), (14, 6386140), (20, 4470298), (28, 3193070), (35, 2554456), (40, 2235149), (56, 1596535), (70, 1277228), (140, 638614), (149, 600040), (280, 319307), (298, 300020), (596, 150010), (745, 120008), (1043, 85720), (1192, 75005), (1490, 60004), (2086, 42860), (2143, 41720), (2980, 30002), (4172, 21430), (4286, 20860), (5215, 17144), (5960, 15001), (8344, 10715), (8572, 10430)]