889575160

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1\times {\mathrm{547}}^1$

素因数の和:1040

約数の個数: 64

約数和(自身を含む): 2029024800

約数和(自身を除く): 1139449640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 373, 436, 545, 547, 746, 872, 1090, 1094, 1492, 1865, 2180, 2188, 2735, 2984, 3730, 4360, 4376, 5470, 7460, 10940, 14920, 21880, 40657, 59623, 81314, 119246, 162628, 203285, 204031, 238492, 298115, 325256, 406570, 408062, 476984, 596230, 813140, 816124, 1020155, 1192460, 1626280, 1632248, 2040310, 2384920, 4080620, 8161240, 22239379, 44478758, 88957516, 111196895, 177915032, 222393790, 444787580, 889575160]

約数ペア:

[(1, 889575160), (2, 444787580), (4, 222393790), (5, 177915032), (8, 111196895), (10, 88957516), (20, 44478758), (40, 22239379), (109, 8161240), (218, 4080620), (373, 2384920), (436, 2040310), (545, 1632248), (547, 1626280), (746, 1192460), (872, 1020155), (1090, 816124), (1094, 813140), (1492, 596230), (1865, 476984), (2180, 408062), (2188, 406570), (2735, 325256), (2984, 298115), (3730, 238492), (4360, 204031), (4376, 203285), (5470, 162628), (7460, 119246), (10940, 81314), (14920, 59623), (21880, 40657)]