2811900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 10110464

約数和(自身を除く): 7298564

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 103, 105, 130, 140, 150, 156, 175, 182, 195, 206, 210, 260, 273, 300, 309, 325, 350, 364, 390, 412, 420, 455, 515, 525, 546, 618, 650, 700, 721, 780, 910, 975, 1030, 1050, 1092, 1236, 1300, 1339, 1365, 1442, 1545, 1820, 1950, 2060, 2100, 2163, 2275, 2575, 2678, 2730, 2884, 3090, 3605, 3900, 4017, 4326, 4550, 5150, 5356, 5460, 6180, 6695, 6825, 7210, 7725, 8034, 8652, 9100, 9373, 10300, 10815, 13390, 13650, 14420, 15450, 16068, 18025, 18746, 20085, 21630, 26780, 27300, 28119, 30900, 33475, 36050, 37492, 40170, 43260, 46865, 54075, 56238, 66950, 72100, 80340, 93730, 100425, 108150, 112476, 133900, 140595, 187460, 200850, 216300, 234325, 281190, 401700, 468650, 562380, 702975, 937300, 1405950, 2811900]

約数ペア:

[(1, 2811900), (2, 1405950), (3, 937300), (4, 702975), (5, 562380), (6, 468650), (7, 401700), (10, 281190), (12, 234325), (13, 216300), (14, 200850), (15, 187460), (20, 140595), (21, 133900), (25, 112476), (26, 108150), (28, 100425), (30, 93730), (35, 80340), (39, 72100), (42, 66950), (50, 56238), (52, 54075), (60, 46865), (65, 43260), (70, 40170), (75, 37492), (78, 36050), (84, 33475), (91, 30900), (100, 28119), (103, 27300), (105, 26780), (130, 21630), (140, 20085), (150, 18746), (156, 18025), (175, 16068), (182, 15450), (195, 14420), (206, 13650), (210, 13390), (260, 10815), (273, 10300), (300, 9373), (309, 9100), (325, 8652), (350, 8034), (364, 7725), (390, 7210), (412, 6825), (420, 6695), (455, 6180), (515, 5460), (525, 5356), (546, 5150), (618, 4550), (650, 4326), (700, 4017), (721, 3900), (780, 3605), (910, 3090), (975, 2884), (1030, 2730), (1050, 2678), (1092, 2575), (1236, 2275), (1300, 2163), (1339, 2100), (1365, 2060), (1442, 1950), (1545, 1820)]