311126340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20021}}^1$

素因数の和:20077

約数の個数: 96

約数和(自身を含む): 1022563584

約数和(自身を除く): 711437244

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 185, 210, 222, 259, 370, 420, 444, 518, 555, 740, 777, 1036, 1110, 1295, 1554, 2220, 2590, 3108, 3885, 5180, 7770, 15540, 20021, 40042, 60063, 80084, 100105, 120126, 140147, 200210, 240252, 280294, 300315, 400420, 420441, 560588, 600630, 700735, 740777, 840882, 1201260, 1401470, 1481554, 1681764, 2102205, 2222331, 2802940, 2963108, 3703885, 4204410, 4444662, 5185439, 7407770, 8408820, 8889324, 10370878, 11111655, 14815540, 15556317, 20741756, 22223310, 25927195, 31112634, 44446620, 51854390, 62225268, 77781585, 103708780, 155563170, 311126340]

約数ペア:

[(1, 311126340), (2, 155563170), (3, 103708780), (4, 77781585), (5, 62225268), (6, 51854390), (7, 44446620), (10, 31112634), (12, 25927195), (14, 22223310), (15, 20741756), (20, 15556317), (21, 14815540), (28, 11111655), (30, 10370878), (35, 8889324), (37, 8408820), (42, 7407770), (60, 5185439), (70, 4444662), (74, 4204410), (84, 3703885), (105, 2963108), (111, 2802940), (140, 2222331), (148, 2102205), (185, 1681764), (210, 1481554), (222, 1401470), (259, 1201260), (370, 840882), (420, 740777), (444, 700735), (518, 600630), (555, 560588), (740, 420441), (777, 400420), (1036, 300315), (1110, 280294), (1295, 240252), (1554, 200210), (2220, 140147), (2590, 120126), (3108, 100105), (3885, 80084), (5180, 60063), (7770, 40042), (15540, 20021)]