890308.0000000

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 8733312

約数和(自身を除く): 4979452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 151, 220, 226, 302, 452, 565, 604, 755, 1130, 1243, 1510, 1661, 2260, 2486, 3020, 3322, 4972, 6215, 6644, 8305, 12430, 16610, 17063, 24860, 33220, 34126, 68252, 85315, 170630, 187693, 341260, 375386, 750772, 938465, 1876930, 3753860]

約数ペア:

[(1, 3753860), (2, 1876930), (4, 938465), (5, 750772), (10, 375386), (11, 341260), (20, 187693), (22, 170630), (44, 85315), (55, 68252), (110, 34126), (113, 33220), (151, 24860), (220, 17063), (226, 16610), (302, 12430), (452, 8305), (565, 6644), (604, 6215), (755, 4972), (1130, 3322), (1243, 3020), (1510, 2486), (1661, 2260)]