2201990004004

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{13669}}^1\times {\mathrm{52783}}^1$

素因数の和:66572

約数の個数: 48

約数和(自身を含む): 4444792844800

約数和(自身を除く): 2242802840796

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 13669, 27338, 52783, 54676, 95683, 105566, 191366, 211132, 369481, 382732, 738962, 1477924, 1489921, 2979842, 5753347, 5959684, 10429447, 11506694, 20858894, 23013388, 40273429, 41717788, 80546858, 161093716, 721490827, 1442981654, 2885963308, 5050435789, 10100871578, 20201743156, 78642500143, 157285000286, 314570000572, 550497501001, 1100995002002, 2201990004004]

約数ペア:

[(1, 2201990004004), (2, 1100995002002), (4, 550497501001), (7, 314570000572), (14, 157285000286), (28, 78642500143), (109, 20201743156), (218, 10100871578), (436, 5050435789), (763, 2885963308), (1526, 1442981654), (3052, 721490827), (13669, 161093716), (27338, 80546858), (52783, 41717788), (54676, 40273429), (95683, 23013388), (105566, 20858894), (191366, 11506694), (211132, 10429447), (369481, 5959684), (382732, 5753347), (738962, 2979842), (1477924, 1489921)]