207988830

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:308

約数の個数: 192

約数和(自身を含む): 656640000

約数和(自身を除く): 448651170

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 79, 90, 98, 105, 126, 135, 147, 158, 189, 199, 210, 237, 245, 270, 294, 315, 378, 395, 398, 441, 474, 490, 553, 597, 630, 711, 735, 790, 882, 945, 995, 1106, 1185, 1194, 1323, 1393, 1422, 1470, 1659, 1791, 1890, 1990, 2133, 2205, 2370, 2646, 2765, 2786, 2985, 3318, 3555, 3582, 3871, 4179, 4266, 4410, 4977, 5373, 5530, 5970, 6615, 6965, 7110, 7742, 8295, 8358, 8955, 9751, 9954, 10665, 10746, 11613, 12537, 13230, 13930, 14931, 15721, 16590, 17910, 19355, 19502, 20895, 21330, 23226, 24885, 25074, 26865, 29253, 29862, 31442, 34839, 37611, 38710, 41790, 47163, 48755, 49770, 53730, 58065, 58506, 62685, 69678, 74655, 75222, 78605, 87759, 94326, 97510, 104517, 110047, 116130, 125370, 141489, 146265, 149310, 157210, 174195, 175518, 188055, 209034, 220094, 235815, 263277, 282978, 292530, 330141, 348390, 376110, 424467, 438795, 471630, 522585, 526554, 550235, 660282, 707445, 770329, 848934, 877590, 990423, 1045170, 1100470, 1316385, 1414890, 1540658, 1650705, 1980846, 2122335, 2310987, 2632770, 2971269, 3301410, 3851645, 4244670, 4621974, 4952115, 5942538, 6932961, 7703290, 9904230, 11554935, 13865922, 14856345, 20798883, 23109870, 29712690, 34664805, 41597766, 69329610, 103994415, 207988830]

約数ペア:

[(1, 207988830), (2, 103994415), (3, 69329610), (5, 41597766), (6, 34664805), (7, 29712690), (9, 23109870), (10, 20798883), (14, 14856345), (15, 13865922), (18, 11554935), (21, 9904230), (27, 7703290), (30, 6932961), (35, 5942538), (42, 4952115), (45, 4621974), (49, 4244670), (54, 3851645), (63, 3301410), (70, 2971269), (79, 2632770), (90, 2310987), (98, 2122335), (105, 1980846), (126, 1650705), (135, 1540658), (147, 1414890), (158, 1316385), (189, 1100470), (199, 1045170), (210, 990423), (237, 877590), (245, 848934), (270, 770329), (294, 707445), (315, 660282), (378, 550235), (395, 526554), (398, 522585), (441, 471630), (474, 438795), (490, 424467), (553, 376110), (597, 348390), (630, 330141), (711, 292530), (735, 282978), (790, 263277), (882, 235815), (945, 220094), (995, 209034), (1106, 188055), (1185, 175518), (1194, 174195), (1323, 157210), (1393, 149310), (1422, 146265), (1470, 141489), (1659, 125370), (1791, 116130), (1890, 110047), (1990, 104517), (2133, 97510), (2205, 94326), (2370, 87759), (2646, 78605), (2765, 75222), (2786, 74655), (2985, 69678), (3318, 62685), (3555, 58506), (3582, 58065), (3871, 53730), (4179, 49770), (4266, 48755), (4410, 47163), (4977, 41790), (5373, 38710), (5530, 37611), (5970, 34839), (6615, 31442), (6965, 29862), (7110, 29253), (7742, 26865), (8295, 25074), (8358, 24885), (8955, 23226), (9751, 21330), (9954, 20895), (10665, 19502), (10746, 19355), (11613, 17910), (12537, 16590), (13230, 15721), (13930, 14931)]