65977780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{601}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 151704000

約数和(自身を除く): 85726220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 499, 601, 998, 1202, 1996, 2404, 2495, 3005, 4990, 5489, 6010, 6611, 9980, 10978, 12020, 13222, 21956, 26444, 27445, 33055, 54890, 66110, 109780, 132220, 299899, 599798, 1199596, 1499495, 2998990, 3298889, 5997980, 6597778, 13195556, 16494445, 32988890, 65977780]

約数ペア:

[(1, 65977780), (2, 32988890), (4, 16494445), (5, 13195556), (10, 6597778), (11, 5997980), (20, 3298889), (22, 2998990), (44, 1499495), (55, 1199596), (110, 599798), (220, 299899), (499, 132220), (601, 109780), (998, 66110), (1202, 54890), (1996, 33055), (2404, 27445), (2495, 26444), (3005, 21956), (4990, 13222), (5489, 12020), (6010, 10978), (6611, 9980)]