82855640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1487}}^1$

素因数の和:1704

約数の個数: 64

約数和(自身を含む): 214272000

約数和(自身を除く): 131416360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 995, 1393, 1487, 1592, 1990, 2786, 2974, 3980, 5572, 5948, 6965, 7435, 7960, 10409, 11144, 11896, 13930, 14870, 20818, 27860, 29740, 41636, 52045, 55720, 59480, 83272, 104090, 208180, 295913, 416360, 591826, 1183652, 1479565, 2071391, 2367304, 2959130, 4142782, 5918260, 8285564, 10356955, 11836520, 16571128, 20713910, 41427820, 82855640]

約数ペア:

[(1, 82855640), (2, 41427820), (4, 20713910), (5, 16571128), (7, 11836520), (8, 10356955), (10, 8285564), (14, 5918260), (20, 4142782), (28, 2959130), (35, 2367304), (40, 2071391), (56, 1479565), (70, 1183652), (140, 591826), (199, 416360), (280, 295913), (398, 208180), (796, 104090), (995, 83272), (1393, 59480), (1487, 55720), (1592, 52045), (1990, 41636), (2786, 29740), (2974, 27860), (3980, 20818), (5572, 14870), (5948, 13930), (6965, 11896), (7435, 11144), (7960, 10409)]