890994792

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:703

約数の個数: 128

約数和(自身を含む): 2416988160

約数和(自身を除く): 1525993368

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 47, 61, 69, 92, 94, 122, 138, 141, 183, 184, 188, 244, 276, 282, 366, 376, 488, 552, 563, 564, 732, 1081, 1126, 1128, 1403, 1464, 1689, 2162, 2252, 2806, 2867, 3243, 3378, 4209, 4324, 4504, 5612, 5734, 6486, 6756, 8418, 8601, 8648, 11224, 11468, 12949, 12972, 13512, 16836, 17202, 22936, 25898, 25944, 26461, 33672, 34343, 34404, 38847, 51796, 52922, 65941, 68686, 68808, 77694, 79383, 103029, 103592, 105844, 131882, 137372, 155388, 158766, 197823, 206058, 211688, 263764, 274744, 310776, 317532, 395646, 412116, 527528, 608603, 635064, 789889, 791292, 824232, 1217206, 1579778, 1582584, 1614121, 1825809, 2369667, 2434412, 3159556, 3228242, 3651618, 4739334, 4842363, 4868824, 6319112, 6456484, 7303236, 9478668, 9684726, 12912968, 14606472, 18957336, 19369452, 37124783, 38738904, 74249566, 111374349, 148499132, 222748698, 296998264, 445497396, 890994792]

約数ペア:

[(1, 890994792), (2, 445497396), (3, 296998264), (4, 222748698), (6, 148499132), (8, 111374349), (12, 74249566), (23, 38738904), (24, 37124783), (46, 19369452), (47, 18957336), (61, 14606472), (69, 12912968), (92, 9684726), (94, 9478668), (122, 7303236), (138, 6456484), (141, 6319112), (183, 4868824), (184, 4842363), (188, 4739334), (244, 3651618), (276, 3228242), (282, 3159556), (366, 2434412), (376, 2369667), (488, 1825809), (552, 1614121), (563, 1582584), (564, 1579778), (732, 1217206), (1081, 824232), (1126, 791292), (1128, 789889), (1403, 635064), (1464, 608603), (1689, 527528), (2162, 412116), (2252, 395646), (2806, 317532), (2867, 310776), (3243, 274744), (3378, 263764), (4209, 211688), (4324, 206058), (4504, 197823), (5612, 158766), (5734, 155388), (6486, 137372), (6756, 131882), (8418, 105844), (8601, 103592), (8648, 103029), (11224, 79383), (11468, 77694), (12949, 68808), (12972, 68686), (13512, 65941), (16836, 52922), (17202, 51796), (22936, 38847), (25898, 34404), (25944, 34343), (26461, 33672)]