209997872

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2081}}^1$

素因数の和:2166

約数の個数: 80

約数和(自身を含む): 501878592

約数和(自身を除く): 291880720

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 53, 56, 68, 106, 112, 119, 136, 212, 238, 272, 371, 424, 476, 742, 848, 901, 952, 1484, 1802, 1904, 2081, 2968, 3604, 4162, 5936, 6307, 7208, 8324, 12614, 14416, 14567, 16648, 25228, 29134, 33296, 35377, 50456, 58268, 70754, 100912, 110293, 116536, 141508, 220586, 233072, 247639, 283016, 441172, 495278, 566032, 772051, 882344, 990556, 1544102, 1764688, 1874981, 1981112, 3088204, 3749962, 3962224, 6176408, 7499924, 12352816, 13124867, 14999848, 26249734, 29999696, 52499468, 104998936, 209997872]

約数ペア:

[(1, 209997872), (2, 104998936), (4, 52499468), (7, 29999696), (8, 26249734), (14, 14999848), (16, 13124867), (17, 12352816), (28, 7499924), (34, 6176408), (53, 3962224), (56, 3749962), (68, 3088204), (106, 1981112), (112, 1874981), (119, 1764688), (136, 1544102), (212, 990556), (238, 882344), (272, 772051), (371, 566032), (424, 495278), (476, 441172), (742, 283016), (848, 247639), (901, 233072), (952, 220586), (1484, 141508), (1802, 116536), (1904, 110293), (2081, 100912), (2968, 70754), (3604, 58268), (4162, 50456), (5936, 35377), (6307, 33296), (7208, 29134), (8324, 25228), (12614, 16648), (14416, 14567)]