31378500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:411

約数の個数: 144

約数和(自身を含む): 104482560

約数和(自身を除く): 73104060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 125, 150, 171, 180, 190, 225, 228, 250, 285, 300, 342, 367, 375, 380, 450, 475, 500, 570, 684, 734, 750, 855, 900, 950, 1101, 1125, 1140, 1425, 1468, 1500, 1710, 1835, 1900, 2202, 2250, 2375, 2850, 3303, 3420, 3670, 4275, 4404, 4500, 4750, 5505, 5700, 6606, 6973, 7125, 7340, 8550, 9175, 9500, 11010, 13212, 13946, 14250, 16515, 17100, 18350, 20919, 21375, 22020, 27525, 27892, 28500, 33030, 34865, 36700, 41838, 42750, 45875, 55050, 62757, 66060, 69730, 82575, 83676, 85500, 91750, 104595, 110100, 125514, 137625, 139460, 165150, 174325, 183500, 209190, 251028, 275250, 313785, 330300, 348650, 412875, 418380, 522975, 550500, 627570, 697300, 825750, 871625, 1045950, 1255140, 1568925, 1651500, 1743250, 2091900, 2614875, 3137850, 3486500, 5229750, 6275700, 7844625, 10459500, 15689250, 31378500]

約数ペア:

[(1, 31378500), (2, 15689250), (3, 10459500), (4, 7844625), (5, 6275700), (6, 5229750), (9, 3486500), (10, 3137850), (12, 2614875), (15, 2091900), (18, 1743250), (19, 1651500), (20, 1568925), (25, 1255140), (30, 1045950), (36, 871625), (38, 825750), (45, 697300), (50, 627570), (57, 550500), (60, 522975), (75, 418380), (76, 412875), (90, 348650), (95, 330300), (100, 313785), (114, 275250), (125, 251028), (150, 209190), (171, 183500), (180, 174325), (190, 165150), (225, 139460), (228, 137625), (250, 125514), (285, 110100), (300, 104595), (342, 91750), (367, 85500), (375, 83676), (380, 82575), (450, 69730), (475, 66060), (500, 62757), (570, 55050), (684, 45875), (734, 42750), (750, 41838), (855, 36700), (900, 34865), (950, 33030), (1101, 28500), (1125, 27892), (1140, 27525), (1425, 22020), (1468, 21375), (1500, 20919), (1710, 18350), (1835, 17100), (1900, 16515), (2202, 14250), (2250, 13946), (2375, 13212), (2850, 11010), (3303, 9500), (3420, 9175), (3670, 8550), (4275, 7340), (4404, 7125), (4500, 6973), (4750, 6606), (5505, 5700)]