28820400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:148

約数の個数: 240

約数和(自身を含む): 109231104

約数和(自身を除く): 80410704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 47, 48, 50, 56, 60, 70, 73, 75, 80, 84, 94, 100, 105, 112, 120, 140, 141, 146, 150, 168, 175, 188, 200, 210, 219, 235, 240, 280, 282, 292, 300, 329, 336, 350, 365, 376, 400, 420, 438, 470, 511, 525, 560, 564, 584, 600, 658, 700, 705, 730, 752, 840, 876, 940, 987, 1022, 1050, 1095, 1128, 1168, 1175, 1200, 1316, 1400, 1410, 1460, 1533, 1645, 1680, 1752, 1825, 1880, 1974, 2044, 2100, 2190, 2256, 2350, 2555, 2632, 2800, 2820, 2920, 3066, 3290, 3431, 3504, 3525, 3650, 3760, 3948, 4088, 4200, 4380, 4700, 4935, 5110, 5264, 5475, 5640, 5840, 6132, 6580, 6862, 7050, 7300, 7665, 7896, 8176, 8225, 8400, 8760, 9400, 9870, 10220, 10293, 10950, 11280, 12264, 12775, 13160, 13724, 14100, 14600, 15330, 15792, 16450, 17155, 17520, 18800, 19740, 20440, 20586, 21900, 24017, 24528, 24675, 25550, 26320, 27448, 28200, 29200, 30660, 32900, 34310, 38325, 39480, 40880, 41172, 43800, 48034, 49350, 51100, 51465, 54896, 56400, 61320, 65800, 68620, 72051, 76650, 78960, 82344, 85775, 87600, 96068, 98700, 102200, 102930, 120085, 122640, 131600, 137240, 144102, 153300, 164688, 171550, 192136, 197400, 204400, 205860, 240170, 257325, 274480, 288204, 306600, 343100, 360255, 384272, 394800, 411720, 480340, 514650, 576408, 600425, 613200, 686200, 720510, 823440, 960680, 1029300, 1152816, 1200850, 1372400, 1441020, 1801275, 1921360, 2058600, 2401700, 2882040, 3602550, 4117200, 4803400, 5764080, 7205100, 9606800, 14410200, 28820400]

約数ペア:

[(1, 28820400), (2, 14410200), (3, 9606800), (4, 7205100), (5, 5764080), (6, 4803400), (7, 4117200), (8, 3602550), (10, 2882040), (12, 2401700), (14, 2058600), (15, 1921360), (16, 1801275), (20, 1441020), (21, 1372400), (24, 1200850), (25, 1152816), (28, 1029300), (30, 960680), (35, 823440), (40, 720510), (42, 686200), (47, 613200), (48, 600425), (50, 576408), (56, 514650), (60, 480340), (70, 411720), (73, 394800), (75, 384272), (80, 360255), (84, 343100), (94, 306600), (100, 288204), (105, 274480), (112, 257325), (120, 240170), (140, 205860), (141, 204400), (146, 197400), (150, 192136), (168, 171550), (175, 164688), (188, 153300), (200, 144102), (210, 137240), (219, 131600), (235, 122640), (240, 120085), (280, 102930), (282, 102200), (292, 98700), (300, 96068), (329, 87600), (336, 85775), (350, 82344), (365, 78960), (376, 76650), (400, 72051), (420, 68620), (438, 65800), (470, 61320), (511, 56400), (525, 54896), (560, 51465), (564, 51100), (584, 49350), (600, 48034), (658, 43800), (700, 41172), (705, 40880), (730, 39480), (752, 38325), (840, 34310), (876, 32900), (940, 30660), (987, 29200), (1022, 28200), (1050, 27448), (1095, 26320), (1128, 25550), (1168, 24675), (1175, 24528), (1200, 24017), (1316, 21900), (1400, 20586), (1410, 20440), (1460, 19740), (1533, 18800), (1645, 17520), (1680, 17155), (1752, 16450), (1825, 15792), (1880, 15330), (1974, 14600), (2044, 14100), (2100, 13724), (2190, 13160), (2256, 12775), (2350, 12264), (2555, 11280), (2632, 10950), (2800, 10293), (2820, 10220), (2920, 9870), (3066, 9400), (3290, 8760), (3431, 8400), (3504, 8225), (3525, 8176), (3650, 7896), (3760, 7665), (3948, 7300), (4088, 7050), (4200, 6862), (4380, 6580), (4700, 6132), (4935, 5840), (5110, 5640), (5264, 5475)]