201789700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 524966400

約数和(自身を除く): 323176700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 79, 82, 89, 100, 140, 158, 164, 175, 178, 205, 287, 316, 350, 356, 395, 410, 445, 553, 574, 623, 700, 790, 820, 890, 1025, 1106, 1148, 1246, 1435, 1580, 1780, 1975, 2050, 2212, 2225, 2492, 2765, 2870, 3115, 3239, 3649, 3950, 4100, 4450, 5530, 5740, 6230, 6478, 7031, 7175, 7298, 7900, 8900, 11060, 12460, 12956, 13825, 14062, 14350, 14596, 15575, 16195, 18245, 22673, 25543, 27650, 28124, 28700, 31150, 32390, 35155, 36490, 45346, 49217, 51086, 55300, 62300, 64780, 70310, 72980, 80975, 90692, 91225, 98434, 102172, 113365, 127715, 140620, 161950, 175775, 182450, 196868, 226730, 246085, 255430, 288271, 323900, 351550, 364900, 453460, 492170, 510860, 566825, 576542, 638575, 703100, 984340, 1133650, 1153084, 1230425, 1277150, 1441355, 2017897, 2267300, 2460850, 2554300, 2882710, 4035794, 4921700, 5765420, 7206775, 8071588, 10089485, 14413550, 20178970, 28827100, 40357940, 50447425, 100894850, 201789700]

約数ペア:

[(1, 201789700), (2, 100894850), (4, 50447425), (5, 40357940), (7, 28827100), (10, 20178970), (14, 14413550), (20, 10089485), (25, 8071588), (28, 7206775), (35, 5765420), (41, 4921700), (50, 4035794), (70, 2882710), (79, 2554300), (82, 2460850), (89, 2267300), (100, 2017897), (140, 1441355), (158, 1277150), (164, 1230425), (175, 1153084), (178, 1133650), (205, 984340), (287, 703100), (316, 638575), (350, 576542), (356, 566825), (395, 510860), (410, 492170), (445, 453460), (553, 364900), (574, 351550), (623, 323900), (700, 288271), (790, 255430), (820, 246085), (890, 226730), (1025, 196868), (1106, 182450), (1148, 175775), (1246, 161950), (1435, 140620), (1580, 127715), (1780, 113365), (1975, 102172), (2050, 98434), (2212, 91225), (2225, 90692), (2492, 80975), (2765, 72980), (2870, 70310), (3115, 64780), (3239, 62300), (3649, 55300), (3950, 51086), (4100, 49217), (4450, 45346), (5530, 36490), (5740, 35155), (6230, 32390), (6478, 31150), (7031, 28700), (7175, 28124), (7298, 27650), (7900, 25543), (8900, 22673), (11060, 18245), (12460, 16195), (12956, 15575), (13825, 14596), (14062, 14350)]