28390450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1259}}^1$

素因数の和:1323

約数の個数: 48

約数和(自身を含む): 59058720

約数和(自身を除く): 30668270

約数列:

[1, 2, 5, 10, 11, 22, 25, 41, 50, 55, 82, 110, 205, 275, 410, 451, 550, 902, 1025, 1259, 2050, 2255, 2518, 4510, 6295, 11275, 12590, 13849, 22550, 27698, 31475, 51619, 62950, 69245, 103238, 138490, 258095, 346225, 516190, 567809, 692450, 1135618, 1290475, 2580950, 2839045, 5678090, 14195225, 28390450]

約数ペア:

[(1, 28390450), (2, 14195225), (5, 5678090), (10, 2839045), (11, 2580950), (22, 1290475), (25, 1135618), (41, 692450), (50, 567809), (55, 516190), (82, 346225), (110, 258095), (205, 138490), (275, 103238), (410, 69245), (451, 62950), (550, 51619), (902, 31475), (1025, 27698), (1259, 22550), (2050, 13849), (2255, 12590), (2518, 11275), (4510, 6295)]