669680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{761}}^1$

素因数の和:785

約数の個数: 40

約数和(自身を含む): 1700784

約数和(自身を除く): 1031104

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 761, 880, 1522, 3044, 3805, 6088, 7610, 8371, 12176, 15220, 16742, 30440, 33484, 41855, 60880, 66968, 83710, 133936, 167420, 334840, 669680]

約数ペア:

[(1, 669680), (2, 334840), (4, 167420), (5, 133936), (8, 83710), (10, 66968), (11, 60880), (16, 41855), (20, 33484), (22, 30440), (40, 16742), (44, 15220), (55, 12176), (80, 8371), (88, 7610), (110, 6088), (176, 3805), (220, 3044), (440, 1522), (761, 880)]