313280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:117

約数の個数: 56

約数和(自身を含む): 822960

約数和(自身を除く): 509680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 89, 110, 160, 176, 178, 220, 320, 352, 356, 440, 445, 704, 712, 880, 890, 979, 1424, 1760, 1780, 1958, 2848, 3520, 3560, 3916, 4895, 5696, 7120, 7832, 9790, 14240, 15664, 19580, 28480, 31328, 39160, 62656, 78320, 156640, 313280]

約数ペア:

[(1, 313280), (2, 156640), (4, 78320), (5, 62656), (8, 39160), (10, 31328), (11, 28480), (16, 19580), (20, 15664), (22, 14240), (32, 9790), (40, 7832), (44, 7120), (55, 5696), (64, 4895), (80, 3916), (88, 3560), (89, 3520), (110, 2848), (160, 1958), (176, 1780), (178, 1760), (220, 1424), (320, 979), (352, 890), (356, 880), (440, 712), (445, 704)]