199099280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{601}}^1$

素因数の和:756

約数の個数: 80

約数和(自身を含む): 479688048

約数和(自身を除く): 280588768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 101, 164, 202, 205, 328, 404, 410, 505, 601, 656, 808, 820, 1010, 1202, 1616, 1640, 2020, 2404, 3005, 3280, 4040, 4141, 4808, 6010, 8080, 8282, 9616, 12020, 16564, 20705, 24040, 24641, 33128, 41410, 48080, 49282, 60701, 66256, 82820, 98564, 121402, 123205, 165640, 197128, 242804, 246410, 303505, 331280, 394256, 485608, 492820, 607010, 971216, 985640, 1214020, 1971280, 2428040, 2488741, 4856080, 4977482, 9954964, 12443705, 19909928, 24887410, 39819856, 49774820, 99549640, 199099280]

約数ペア:

[(1, 199099280), (2, 99549640), (4, 49774820), (5, 39819856), (8, 24887410), (10, 19909928), (16, 12443705), (20, 9954964), (40, 4977482), (41, 4856080), (80, 2488741), (82, 2428040), (101, 1971280), (164, 1214020), (202, 985640), (205, 971216), (328, 607010), (404, 492820), (410, 485608), (505, 394256), (601, 331280), (656, 303505), (808, 246410), (820, 242804), (1010, 197128), (1202, 165640), (1616, 123205), (1640, 121402), (2020, 98564), (2404, 82820), (3005, 66256), (3280, 60701), (4040, 49282), (4141, 48080), (4808, 41410), (6010, 33128), (8080, 24641), (8282, 24040), (9616, 20705), (12020, 16564)]