1181620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 2794176

約数和(自身を除く): 1612556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 131, 164, 205, 220, 262, 410, 451, 524, 655, 820, 902, 1310, 1441, 1804, 2255, 2620, 2882, 4510, 5371, 5764, 7205, 9020, 10742, 14410, 21484, 26855, 28820, 53710, 59081, 107420, 118162, 236324, 295405, 590810, 1181620]

約数ペア:

[(1, 1181620), (2, 590810), (4, 295405), (5, 236324), (10, 118162), (11, 107420), (20, 59081), (22, 53710), (41, 28820), (44, 26855), (55, 21484), (82, 14410), (110, 10742), (131, 9020), (164, 7205), (205, 5764), (220, 5371), (262, 4510), (410, 2882), (451, 2620), (524, 2255), (655, 1804), (820, 1441), (902, 1310)]