128220890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{761}}^1$

素因数の和:887

約数の個数: 64

約数和(自身を含む): 276514560

約数和(自身を除く): 148293670

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 83, 145, 166, 203, 290, 406, 415, 581, 761, 830, 1015, 1162, 1522, 2030, 2407, 2905, 3805, 4814, 5327, 5810, 7610, 10654, 12035, 16849, 22069, 24070, 26635, 33698, 44138, 53270, 63163, 84245, 110345, 126326, 154483, 168490, 220690, 308966, 315815, 442141, 631630, 772415, 884282, 1544830, 1831727, 2210705, 3663454, 4421410, 9158635, 12822089, 18317270, 25644178, 64110445, 128220890]

約数ペア:

[(1, 128220890), (2, 64110445), (5, 25644178), (7, 18317270), (10, 12822089), (14, 9158635), (29, 4421410), (35, 3663454), (58, 2210705), (70, 1831727), (83, 1544830), (145, 884282), (166, 772415), (203, 631630), (290, 442141), (406, 315815), (415, 308966), (581, 220690), (761, 168490), (830, 154483), (1015, 126326), (1162, 110345), (1522, 84245), (2030, 63163), (2407, 53270), (2905, 44138), (3805, 33698), (4814, 26635), (5327, 24070), (5810, 22069), (7610, 16849), (10654, 12035)]