407003120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2153}}^1$

素因数の和:2322

約数の個数: 80

約数和(自身を含む): 1009622880

約数和(自身を除く): 602619760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 139, 170, 272, 278, 340, 556, 680, 695, 1112, 1360, 1390, 2153, 2224, 2363, 2780, 4306, 4726, 5560, 8612, 9452, 10765, 11120, 11815, 17224, 18904, 21530, 23630, 34448, 36601, 37808, 43060, 47260, 73202, 86120, 94520, 146404, 172240, 183005, 189040, 292808, 299267, 366010, 585616, 598534, 732020, 1197068, 1464040, 1496335, 2394136, 2928080, 2992670, 4788272, 5087539, 5985340, 10175078, 11970680, 20350156, 23941360, 25437695, 40700312, 50875390, 81400624, 101750780, 203501560, 407003120]

約数ペア:

[(1, 407003120), (2, 203501560), (4, 101750780), (5, 81400624), (8, 50875390), (10, 40700312), (16, 25437695), (17, 23941360), (20, 20350156), (34, 11970680), (40, 10175078), (68, 5985340), (80, 5087539), (85, 4788272), (136, 2992670), (139, 2928080), (170, 2394136), (272, 1496335), (278, 1464040), (340, 1197068), (556, 732020), (680, 598534), (695, 585616), (1112, 366010), (1360, 299267), (1390, 292808), (2153, 189040), (2224, 183005), (2363, 172240), (2780, 146404), (4306, 94520), (4726, 86120), (5560, 73202), (8612, 47260), (9452, 43060), (10765, 37808), (11120, 36601), (11815, 34448), (17224, 23630), (18904, 21530)]