142819820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{49937}}^1$

素因数の和:49970

約数の個数: 48

約数和(自身を含む): 352362528

約数和(自身を除く): 209542708

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 49937, 99874, 199748, 249685, 499370, 549307, 649181, 998740, 1098614, 1298362, 2197228, 2596724, 2746535, 3245905, 5493070, 6491810, 7140991, 10986140, 12983620, 14281982, 28563964, 35704955, 71409910, 142819820]

約数ペア:

[(1, 142819820), (2, 71409910), (4, 35704955), (5, 28563964), (10, 14281982), (11, 12983620), (13, 10986140), (20, 7140991), (22, 6491810), (26, 5493070), (44, 3245905), (52, 2746535), (55, 2596724), (65, 2197228), (110, 1298362), (130, 1098614), (143, 998740), (220, 649181), (260, 549307), (286, 499370), (572, 249685), (715, 199748), (1430, 99874), (2860, 49937)]