11187980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 24366720

約数和(自身を除く): 13178740

約数列:

[1, 2, 4, 5, 10, 20, 73, 79, 97, 146, 158, 194, 292, 316, 365, 388, 395, 485, 730, 790, 970, 1460, 1580, 1940, 5767, 7081, 7663, 11534, 14162, 15326, 23068, 28324, 28835, 30652, 35405, 38315, 57670, 70810, 76630, 115340, 141620, 153260, 559399, 1118798, 2237596, 2796995, 5593990, 11187980]

約数ペア:

[(1, 11187980), (2, 5593990), (4, 2796995), (5, 2237596), (10, 1118798), (20, 559399), (73, 153260), (79, 141620), (97, 115340), (146, 76630), (158, 70810), (194, 57670), (292, 38315), (316, 35405), (365, 30652), (388, 28835), (395, 28324), (485, 23068), (730, 15326), (790, 14162), (970, 11534), (1460, 7663), (1580, 7081), (1940, 5767)]