78789900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2207}}^1$

素因数の和:2248

約数の個数: 144

約数和(自身を含む): 275982336

約数和(自身を除く): 197192436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 25, 28, 30, 34, 35, 42, 50, 51, 60, 68, 70, 75, 84, 85, 100, 102, 105, 119, 140, 150, 170, 175, 204, 210, 238, 255, 300, 340, 350, 357, 420, 425, 476, 510, 525, 595, 700, 714, 850, 1020, 1050, 1190, 1275, 1428, 1700, 1785, 2100, 2207, 2380, 2550, 2975, 3570, 4414, 5100, 5950, 6621, 7140, 8828, 8925, 11035, 11900, 13242, 15449, 17850, 22070, 26484, 30898, 33105, 35700, 37519, 44140, 46347, 55175, 61796, 66210, 75038, 77245, 92694, 110350, 112557, 132420, 150076, 154490, 165525, 185388, 187595, 220700, 225114, 231735, 262633, 308980, 331050, 375190, 386225, 450228, 463470, 525266, 562785, 662100, 750380, 772450, 787899, 926940, 937975, 1050532, 1125570, 1158675, 1313165, 1544900, 1575798, 1875950, 2251140, 2317350, 2626330, 2813925, 3151596, 3751900, 3939495, 4634700, 5252660, 5627850, 6565825, 7878990, 11255700, 13131650, 15757980, 19697475, 26263300, 39394950, 78789900]

約数ペア:

[(1, 78789900), (2, 39394950), (3, 26263300), (4, 19697475), (5, 15757980), (6, 13131650), (7, 11255700), (10, 7878990), (12, 6565825), (14, 5627850), (15, 5252660), (17, 4634700), (20, 3939495), (21, 3751900), (25, 3151596), (28, 2813925), (30, 2626330), (34, 2317350), (35, 2251140), (42, 1875950), (50, 1575798), (51, 1544900), (60, 1313165), (68, 1158675), (70, 1125570), (75, 1050532), (84, 937975), (85, 926940), (100, 787899), (102, 772450), (105, 750380), (119, 662100), (140, 562785), (150, 525266), (170, 463470), (175, 450228), (204, 386225), (210, 375190), (238, 331050), (255, 308980), (300, 262633), (340, 231735), (350, 225114), (357, 220700), (420, 187595), (425, 185388), (476, 165525), (510, 154490), (525, 150076), (595, 132420), (700, 112557), (714, 110350), (850, 92694), (1020, 77245), (1050, 75038), (1190, 66210), (1275, 61796), (1428, 55175), (1700, 46347), (1785, 44140), (2100, 37519), (2207, 35700), (2380, 33105), (2550, 30898), (2975, 26484), (3570, 22070), (4414, 17850), (5100, 15449), (5950, 13242), (6621, 11900), (7140, 11035), (8828, 8925)]