28892710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 65525760

約数和(自身を除く): 36633050

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 157, 239, 314, 385, 478, 770, 785, 1099, 1195, 1570, 1673, 1727, 2198, 2390, 2629, 3346, 3454, 5258, 5495, 8365, 8635, 10990, 12089, 13145, 16730, 17270, 18403, 24178, 26290, 36806, 37523, 60445, 75046, 92015, 120890, 184030, 187615, 262661, 375230, 412753, 525322, 825506, 1313305, 2063765, 2626610, 2889271, 4127530, 5778542, 14446355, 28892710]

約数ペア:

[(1, 28892710), (2, 14446355), (5, 5778542), (7, 4127530), (10, 2889271), (11, 2626610), (14, 2063765), (22, 1313305), (35, 825506), (55, 525322), (70, 412753), (77, 375230), (110, 262661), (154, 187615), (157, 184030), (239, 120890), (314, 92015), (385, 75046), (478, 60445), (770, 37523), (785, 36806), (1099, 26290), (1195, 24178), (1570, 18403), (1673, 17270), (1727, 16730), (2198, 13145), (2390, 12089), (2629, 10990), (3346, 8635), (3454, 8365), (5258, 5495)]