189553660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{853}}^1$

素因数の和:1174

約数の個数: 48

約数和(自身を含む): 409756032

約数和(自身を除く): 220202372

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 271, 410, 542, 820, 853, 1084, 1355, 1706, 2710, 3412, 4265, 5420, 8530, 11111, 17060, 22222, 34973, 44444, 55555, 69946, 111110, 139892, 174865, 222220, 231163, 349730, 462326, 699460, 924652, 1155815, 2311630, 4623260, 9477683, 18955366, 37910732, 47388415, 94776830, 189553660]

約数ペア:

[(1, 189553660), (2, 94776830), (4, 47388415), (5, 37910732), (10, 18955366), (20, 9477683), (41, 4623260), (82, 2311630), (164, 1155815), (205, 924652), (271, 699460), (410, 462326), (542, 349730), (820, 231163), (853, 222220), (1084, 174865), (1355, 139892), (1706, 111110), (2710, 69946), (3412, 55555), (4265, 44444), (5420, 34973), (8530, 22222), (11111, 17060)]