147474820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1109}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 317948400

約数和(自身を除く): 170473580

約数列:

[1, 2, 4, 5, 10, 20, 61, 109, 122, 218, 244, 305, 436, 545, 610, 1090, 1109, 1220, 2180, 2218, 4436, 5545, 6649, 11090, 13298, 22180, 26596, 33245, 66490, 67649, 120881, 132980, 135298, 241762, 270596, 338245, 483524, 604405, 676490, 1208810, 1352980, 2417620, 7373741, 14747482, 29494964, 36868705, 73737410, 147474820]

約数ペア:

[(1, 147474820), (2, 73737410), (4, 36868705), (5, 29494964), (10, 14747482), (20, 7373741), (61, 2417620), (109, 1352980), (122, 1208810), (218, 676490), (244, 604405), (305, 483524), (436, 338245), (545, 270596), (610, 241762), (1090, 135298), (1109, 132980), (1220, 120881), (2180, 67649), (2218, 66490), (4436, 33245), (5545, 26596), (6649, 22180), (11090, 13298)]