28818860

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{4201}}^1$

素因数の和:4231

約数の個数: 48

約数和(自身を含む): 70593600

約数和(自身を除く): 41774740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 4201, 6860, 8402, 16804, 21005, 29407, 42010, 58814, 84020, 117628, 147035, 205849, 294070, 411698, 588140, 823396, 1029245, 1440943, 2058490, 2881886, 4116980, 5763772, 7204715, 14409430, 28818860]

約数ペア:

[(1, 28818860), (2, 14409430), (4, 7204715), (5, 5763772), (7, 4116980), (10, 2881886), (14, 2058490), (20, 1440943), (28, 1029245), (35, 823396), (49, 588140), (70, 411698), (98, 294070), (140, 205849), (196, 147035), (245, 117628), (343, 84020), (490, 58814), (686, 42010), (980, 29407), (1372, 21005), (1715, 16804), (3430, 8402), (4201, 6860)]