223981520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5479}}^1$

素因数の和:5572

約数の個数: 80

約数和(自身を含む): 603413760

約数和(自身を除く): 379432240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 4088, 5110, 5479, 5840, 8176, 10220, 10958, 20440, 21916, 27395, 38353, 40880, 43832, 54790, 76706, 87664, 109580, 153412, 191765, 219160, 306824, 383530, 399967, 438320, 613648, 767060, 799934, 1534120, 1599868, 1999835, 2799769, 3068240, 3199736, 3999670, 5599538, 6399472, 7999340, 11199076, 13998845, 15998680, 22398152, 27997690, 31997360, 44796304, 55995380, 111990760, 223981520]

約数ペア:

[(1, 223981520), (2, 111990760), (4, 55995380), (5, 44796304), (7, 31997360), (8, 27997690), (10, 22398152), (14, 15998680), (16, 13998845), (20, 11199076), (28, 7999340), (35, 6399472), (40, 5599538), (56, 3999670), (70, 3199736), (73, 3068240), (80, 2799769), (112, 1999835), (140, 1599868), (146, 1534120), (280, 799934), (292, 767060), (365, 613648), (511, 438320), (560, 399967), (584, 383530), (730, 306824), (1022, 219160), (1168, 191765), (1460, 153412), (2044, 109580), (2555, 87664), (2920, 76706), (4088, 54790), (5110, 43832), (5479, 40880), (5840, 38353), (8176, 27395), (10220, 21916), (10958, 20440)]