208591600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 240

約数和(自身を含む): 619960320

約数和(自身を除く): 411368720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 41, 46, 50, 56, 70, 79, 80, 82, 92, 100, 112, 115, 140, 158, 161, 164, 175, 184, 200, 205, 230, 280, 287, 316, 322, 328, 350, 368, 395, 400, 410, 460, 553, 560, 574, 575, 632, 644, 656, 700, 790, 805, 820, 920, 943, 1025, 1106, 1148, 1150, 1264, 1288, 1400, 1435, 1580, 1610, 1640, 1817, 1840, 1886, 1975, 2050, 2212, 2296, 2300, 2576, 2765, 2800, 2870, 3160, 3220, 3239, 3280, 3634, 3772, 3950, 4025, 4100, 4424, 4592, 4600, 4715, 5530, 5740, 6320, 6440, 6478, 6601, 7175, 7268, 7544, 7900, 8050, 8200, 8848, 9085, 9200, 9430, 11060, 11480, 12719, 12880, 12956, 13202, 13825, 14350, 14536, 15088, 15800, 16100, 16195, 16400, 18170, 18860, 22120, 22673, 22960, 23575, 25438, 25912, 26404, 27650, 28700, 29072, 31600, 32200, 32390, 33005, 36340, 37720, 44240, 45346, 45425, 47150, 50876, 51824, 52808, 55300, 57400, 63595, 64400, 64780, 66010, 72680, 74497, 75440, 80975, 90692, 90850, 94300, 101752, 105616, 110600, 113365, 114800, 127190, 129560, 132020, 145360, 148994, 161950, 165025, 181384, 181700, 188600, 203504, 221200, 226730, 254380, 259120, 264040, 297988, 317975, 323900, 330050, 362768, 363400, 372485, 377200, 453460, 508760, 521479, 528080, 566825, 595976, 635950, 647800, 660100, 726800, 744970, 906920, 1017520, 1042958, 1133650, 1191952, 1271900, 1295600, 1320200, 1489940, 1813840, 1862425, 2085916, 2267300, 2543800, 2607395, 2640400, 2979880, 3724850, 4171832, 4534600, 5087600, 5214790, 5959760, 7449700, 8343664, 9069200, 10429580, 13036975, 14899400, 20859160, 26073950, 29798800, 41718320, 52147900, 104295800, 208591600]

約数ペア:

[(1, 208591600), (2, 104295800), (4, 52147900), (5, 41718320), (7, 29798800), (8, 26073950), (10, 20859160), (14, 14899400), (16, 13036975), (20, 10429580), (23, 9069200), (25, 8343664), (28, 7449700), (35, 5959760), (40, 5214790), (41, 5087600), (46, 4534600), (50, 4171832), (56, 3724850), (70, 2979880), (79, 2640400), (80, 2607395), (82, 2543800), (92, 2267300), (100, 2085916), (112, 1862425), (115, 1813840), (140, 1489940), (158, 1320200), (161, 1295600), (164, 1271900), (175, 1191952), (184, 1133650), (200, 1042958), (205, 1017520), (230, 906920), (280, 744970), (287, 726800), (316, 660100), (322, 647800), (328, 635950), (350, 595976), (368, 566825), (395, 528080), (400, 521479), (410, 508760), (460, 453460), (553, 377200), (560, 372485), (574, 363400), (575, 362768), (632, 330050), (644, 323900), (656, 317975), (700, 297988), (790, 264040), (805, 259120), (820, 254380), (920, 226730), (943, 221200), (1025, 203504), (1106, 188600), (1148, 181700), (1150, 181384), (1264, 165025), (1288, 161950), (1400, 148994), (1435, 145360), (1580, 132020), (1610, 129560), (1640, 127190), (1817, 114800), (1840, 113365), (1886, 110600), (1975, 105616), (2050, 101752), (2212, 94300), (2296, 90850), (2300, 90692), (2576, 80975), (2765, 75440), (2800, 74497), (2870, 72680), (3160, 66010), (3220, 64780), (3239, 64400), (3280, 63595), (3634, 57400), (3772, 55300), (3950, 52808), (4025, 51824), (4100, 50876), (4424, 47150), (4592, 45425), (4600, 45346), (4715, 44240), (5530, 37720), (5740, 36340), (6320, 33005), (6440, 32390), (6478, 32200), (6601, 31600), (7175, 29072), (7268, 28700), (7544, 27650), (7900, 26404), (8050, 25912), (8200, 25438), (8848, 23575), (9085, 22960), (9200, 22673), (9430, 22120), (11060, 18860), (11480, 18170), (12719, 16400), (12880, 16195), (12956, 16100), (13202, 15800), (13825, 15088), (14350, 14536)]