2185704920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{541}}^1$

素因数の和:913

約数の個数: 128

約数和(自身を含む): 5769308160

約数和(自身を除く): 3583603240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 307, 329, 376, 470, 541, 614, 658, 940, 1082, 1228, 1316, 1535, 1645, 1880, 2149, 2164, 2456, 2632, 2705, 3070, 3290, 3787, 4298, 4328, 5410, 6140, 6580, 7574, 8596, 10745, 10820, 12280, 13160, 14429, 15148, 17192, 18935, 21490, 21640, 25427, 28858, 30296, 37870, 42980, 50854, 57716, 72145, 75740, 85960, 101003, 101708, 115432, 127135, 144290, 151480, 166087, 177989, 202006, 203416, 254270, 288580, 332174, 355978, 404012, 505015, 508540, 577160, 664348, 711956, 808024, 830435, 889945, 1010030, 1017080, 1162609, 1328696, 1423912, 1660870, 1779890, 2020060, 2325218, 3321740, 3559780, 4040120, 4650436, 5813045, 6643480, 7119560, 7806089, 9300872, 11626090, 15612178, 23252180, 31224356, 39030445, 46504360, 54642623, 62448712, 78060890, 109285246, 156121780, 218570492, 273213115, 312243560, 437140984, 546426230, 1092852460, 2185704920]

約数ペア:

[(1, 2185704920), (2, 1092852460), (4, 546426230), (5, 437140984), (7, 312243560), (8, 273213115), (10, 218570492), (14, 156121780), (20, 109285246), (28, 78060890), (35, 62448712), (40, 54642623), (47, 46504360), (56, 39030445), (70, 31224356), (94, 23252180), (140, 15612178), (188, 11626090), (235, 9300872), (280, 7806089), (307, 7119560), (329, 6643480), (376, 5813045), (470, 4650436), (541, 4040120), (614, 3559780), (658, 3321740), (940, 2325218), (1082, 2020060), (1228, 1779890), (1316, 1660870), (1535, 1423912), (1645, 1328696), (1880, 1162609), (2149, 1017080), (2164, 1010030), (2456, 889945), (2632, 830435), (2705, 808024), (3070, 711956), (3290, 664348), (3787, 577160), (4298, 508540), (4328, 505015), (5410, 404012), (6140, 355978), (6580, 332174), (7574, 288580), (8596, 254270), (10745, 203416), (10820, 202006), (12280, 177989), (13160, 166087), (14429, 151480), (15148, 144290), (17192, 127135), (18935, 115432), (21490, 101708), (21640, 101003), (25427, 85960), (28858, 75740), (30296, 72145), (37870, 57716), (42980, 50854)]