218922200

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:370

約数の個数: 144

約数和(自身を含む): 601133400

約数和(自身を除く): 382211200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 89, 98, 100, 140, 175, 178, 196, 200, 245, 251, 280, 350, 356, 392, 445, 490, 502, 623, 700, 712, 890, 980, 1004, 1225, 1246, 1255, 1400, 1757, 1780, 1960, 2008, 2225, 2450, 2492, 2510, 3115, 3514, 3560, 4361, 4450, 4900, 4984, 5020, 6230, 6275, 7028, 8722, 8785, 8900, 9800, 10040, 12299, 12460, 12550, 14056, 15575, 17444, 17570, 17800, 21805, 22339, 24598, 24920, 25100, 31150, 34888, 35140, 43610, 43925, 44678, 49196, 50200, 61495, 62300, 70280, 87220, 87850, 89356, 98392, 109025, 111695, 122990, 124600, 156373, 174440, 175700, 178712, 218050, 223390, 245980, 307475, 312746, 351400, 436100, 446780, 491960, 558475, 614950, 625492, 781865, 872200, 893560, 1094611, 1116950, 1229900, 1250984, 1563730, 2189222, 2233900, 2459800, 3127460, 3909325, 4378444, 4467800, 5473055, 6254920, 7818650, 8756888, 10946110, 15637300, 21892220, 27365275, 31274600, 43784440, 54730550, 109461100, 218922200]

約数ペア:

[(1, 218922200), (2, 109461100), (4, 54730550), (5, 43784440), (7, 31274600), (8, 27365275), (10, 21892220), (14, 15637300), (20, 10946110), (25, 8756888), (28, 7818650), (35, 6254920), (40, 5473055), (49, 4467800), (50, 4378444), (56, 3909325), (70, 3127460), (89, 2459800), (98, 2233900), (100, 2189222), (140, 1563730), (175, 1250984), (178, 1229900), (196, 1116950), (200, 1094611), (245, 893560), (251, 872200), (280, 781865), (350, 625492), (356, 614950), (392, 558475), (445, 491960), (490, 446780), (502, 436100), (623, 351400), (700, 312746), (712, 307475), (890, 245980), (980, 223390), (1004, 218050), (1225, 178712), (1246, 175700), (1255, 174440), (1400, 156373), (1757, 124600), (1780, 122990), (1960, 111695), (2008, 109025), (2225, 98392), (2450, 89356), (2492, 87850), (2510, 87220), (3115, 70280), (3514, 62300), (3560, 61495), (4361, 50200), (4450, 49196), (4900, 44678), (4984, 43925), (5020, 43610), (6230, 35140), (6275, 34888), (7028, 31150), (8722, 25100), (8785, 24920), (8900, 24598), (9800, 22339), (10040, 21805), (12299, 17800), (12460, 17570), (12550, 17444), (14056, 15575)]