31199700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 104993280

約数和(自身を除く): 73793580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 83, 84, 100, 105, 140, 150, 166, 175, 179, 210, 249, 300, 332, 350, 358, 415, 420, 498, 525, 537, 581, 700, 716, 830, 895, 996, 1050, 1074, 1162, 1245, 1253, 1660, 1743, 1790, 2075, 2100, 2148, 2324, 2490, 2506, 2685, 2905, 3486, 3580, 3759, 4150, 4475, 4980, 5012, 5370, 5810, 6225, 6265, 6972, 7518, 8300, 8715, 8950, 10740, 11620, 12450, 12530, 13425, 14525, 14857, 15036, 17430, 17900, 18795, 24900, 25060, 26850, 29050, 29714, 31325, 34860, 37590, 43575, 44571, 53700, 58100, 59428, 62650, 74285, 75180, 87150, 89142, 93975, 103999, 125300, 148570, 174300, 178284, 187950, 207998, 222855, 297140, 311997, 371425, 375900, 415996, 445710, 519995, 623994, 742850, 891420, 1039990, 1114275, 1247988, 1485700, 1559985, 2079980, 2228550, 2599975, 3119970, 4457100, 5199950, 6239940, 7799925, 10399900, 15599850, 31199700]

約数ペア:

[(1, 31199700), (2, 15599850), (3, 10399900), (4, 7799925), (5, 6239940), (6, 5199950), (7, 4457100), (10, 3119970), (12, 2599975), (14, 2228550), (15, 2079980), (20, 1559985), (21, 1485700), (25, 1247988), (28, 1114275), (30, 1039990), (35, 891420), (42, 742850), (50, 623994), (60, 519995), (70, 445710), (75, 415996), (83, 375900), (84, 371425), (100, 311997), (105, 297140), (140, 222855), (150, 207998), (166, 187950), (175, 178284), (179, 174300), (210, 148570), (249, 125300), (300, 103999), (332, 93975), (350, 89142), (358, 87150), (415, 75180), (420, 74285), (498, 62650), (525, 59428), (537, 58100), (581, 53700), (700, 44571), (716, 43575), (830, 37590), (895, 34860), (996, 31325), (1050, 29714), (1074, 29050), (1162, 26850), (1245, 25060), (1253, 24900), (1660, 18795), (1743, 17900), (1790, 17430), (2075, 15036), (2100, 14857), (2148, 14525), (2324, 13425), (2490, 12530), (2506, 12450), (2685, 11620), (2905, 10740), (3486, 8950), (3580, 8715), (3759, 8300), (4150, 7518), (4475, 6972), (4980, 6265), (5012, 6225), (5370, 5810)]