199921428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2029}}^1$

素因数の和:2086

約数の個数: 144

約数和(自身を含む): 638426880

約数和(自身を除く): 438505452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 23, 28, 34, 36, 42, 46, 51, 63, 68, 69, 84, 92, 102, 119, 126, 138, 153, 161, 204, 207, 238, 252, 276, 306, 322, 357, 391, 414, 476, 483, 612, 644, 714, 782, 828, 966, 1071, 1173, 1428, 1449, 1564, 1932, 2029, 2142, 2346, 2737, 2898, 3519, 4058, 4284, 4692, 5474, 5796, 6087, 7038, 8116, 8211, 10948, 12174, 14076, 14203, 16422, 18261, 24348, 24633, 28406, 32844, 34493, 36522, 42609, 46667, 49266, 56812, 68986, 73044, 85218, 93334, 98532, 103479, 127827, 137972, 140001, 170436, 186668, 206958, 241451, 255654, 280002, 310437, 326669, 413916, 420003, 482902, 511308, 560004, 620874, 653338, 724353, 793339, 840006, 965804, 980007, 1241748, 1306676, 1448706, 1586678, 1680012, 1960014, 2173059, 2380017, 2897412, 2940021, 3173356, 3920028, 4346118, 4760034, 5553373, 5880042, 7140051, 8692236, 9520068, 11106746, 11760084, 14280102, 16660119, 22213492, 28560204, 33320238, 49980357, 66640476, 99960714, 199921428]

約数ペア:

[(1, 199921428), (2, 99960714), (3, 66640476), (4, 49980357), (6, 33320238), (7, 28560204), (9, 22213492), (12, 16660119), (14, 14280102), (17, 11760084), (18, 11106746), (21, 9520068), (23, 8692236), (28, 7140051), (34, 5880042), (36, 5553373), (42, 4760034), (46, 4346118), (51, 3920028), (63, 3173356), (68, 2940021), (69, 2897412), (84, 2380017), (92, 2173059), (102, 1960014), (119, 1680012), (126, 1586678), (138, 1448706), (153, 1306676), (161, 1241748), (204, 980007), (207, 965804), (238, 840006), (252, 793339), (276, 724353), (306, 653338), (322, 620874), (357, 560004), (391, 511308), (414, 482902), (476, 420003), (483, 413916), (612, 326669), (644, 310437), (714, 280002), (782, 255654), (828, 241451), (966, 206958), (1071, 186668), (1173, 170436), (1428, 140001), (1449, 137972), (1564, 127827), (1932, 103479), (2029, 98532), (2142, 93334), (2346, 85218), (2737, 73044), (2898, 68986), (3519, 56812), (4058, 49266), (4284, 46667), (4692, 42609), (5474, 36522), (5796, 34493), (6087, 32844), (7038, 28406), (8116, 24633), (8211, 24348), (10948, 18261), (12174, 16422), (14076, 14203)]