210506720

素因数分解:

$2^5\times 5^1\times {\mathrm{283}}^1\times {\mathrm{4649}}^1$

素因数の和:4947

約数の個数: 48

約数和(自身を含む): 499186800

約数和(自身を除く): 288680080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 283, 566, 1132, 1415, 2264, 2830, 4528, 4649, 5660, 9056, 9298, 11320, 18596, 22640, 23245, 37192, 45280, 46490, 74384, 92980, 148768, 185960, 371920, 743840, 1315667, 2631334, 5262668, 6578335, 10525336, 13156670, 21050672, 26313340, 42101344, 52626680, 105253360, 210506720]

約数ペア:

[(1, 210506720), (2, 105253360), (4, 52626680), (5, 42101344), (8, 26313340), (10, 21050672), (16, 13156670), (20, 10525336), (32, 6578335), (40, 5262668), (80, 2631334), (160, 1315667), (283, 743840), (566, 371920), (1132, 185960), (1415, 148768), (2264, 92980), (2830, 74384), (4528, 46490), (4649, 45280), (5660, 37192), (9056, 23245), (9298, 22640), (11320, 18596)]