28385700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{1931}}^1$

素因数の和:1962

約数の個数: 108

約数和(自身を含む): 95587632

約数和(自身を除く): 67201932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 140, 147, 150, 175, 196, 210, 245, 294, 300, 350, 420, 490, 525, 588, 700, 735, 980, 1050, 1225, 1470, 1931, 2100, 2450, 2940, 3675, 3862, 4900, 5793, 7350, 7724, 9655, 11586, 13517, 14700, 19310, 23172, 27034, 28965, 38620, 40551, 48275, 54068, 57930, 67585, 81102, 94619, 96550, 115860, 135170, 144825, 162204, 189238, 193100, 202755, 270340, 283857, 289650, 337925, 378476, 405510, 473095, 567714, 579300, 675850, 811020, 946190, 1013775, 1135428, 1351700, 1419285, 1892380, 2027550, 2365475, 2838570, 4055100, 4730950, 5677140, 7096425, 9461900, 14192850, 28385700]

約数ペア:

[(1, 28385700), (2, 14192850), (3, 9461900), (4, 7096425), (5, 5677140), (6, 4730950), (7, 4055100), (10, 2838570), (12, 2365475), (14, 2027550), (15, 1892380), (20, 1419285), (21, 1351700), (25, 1135428), (28, 1013775), (30, 946190), (35, 811020), (42, 675850), (49, 579300), (50, 567714), (60, 473095), (70, 405510), (75, 378476), (84, 337925), (98, 289650), (100, 283857), (105, 270340), (140, 202755), (147, 193100), (150, 189238), (175, 162204), (196, 144825), (210, 135170), (245, 115860), (294, 96550), (300, 94619), (350, 81102), (420, 67585), (490, 57930), (525, 54068), (588, 48275), (700, 40551), (735, 38620), (980, 28965), (1050, 27034), (1225, 23172), (1470, 19310), (1931, 14700), (2100, 13517), (2450, 11586), (2940, 9655), (3675, 7724), (3862, 7350), (4900, 5793)]