71181900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:728

約数の個数: 108

約数和(自身を含む): 225115800

約数和(自身を除く): 153933900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 139, 150, 180, 225, 278, 300, 417, 450, 556, 569, 695, 834, 900, 1138, 1251, 1390, 1668, 1707, 2085, 2276, 2502, 2780, 2845, 3414, 3475, 4170, 5004, 5121, 5690, 6255, 6828, 6950, 8340, 8535, 10242, 10425, 11380, 12510, 13900, 14225, 17070, 20484, 20850, 25020, 25605, 28450, 31275, 34140, 41700, 42675, 51210, 56900, 62550, 79091, 85350, 102420, 125100, 128025, 158182, 170700, 237273, 256050, 316364, 395455, 474546, 512100, 711819, 790910, 949092, 1186365, 1423638, 1581820, 1977275, 2372730, 2847276, 3559095, 3954550, 4745460, 5931825, 7118190, 7909100, 11863650, 14236380, 17795475, 23727300, 35590950, 71181900]

約数ペア:

[(1, 71181900), (2, 35590950), (3, 23727300), (4, 17795475), (5, 14236380), (6, 11863650), (9, 7909100), (10, 7118190), (12, 5931825), (15, 4745460), (18, 3954550), (20, 3559095), (25, 2847276), (30, 2372730), (36, 1977275), (45, 1581820), (50, 1423638), (60, 1186365), (75, 949092), (90, 790910), (100, 711819), (139, 512100), (150, 474546), (180, 395455), (225, 316364), (278, 256050), (300, 237273), (417, 170700), (450, 158182), (556, 128025), (569, 125100), (695, 102420), (834, 85350), (900, 79091), (1138, 62550), (1251, 56900), (1390, 51210), (1668, 42675), (1707, 41700), (2085, 34140), (2276, 31275), (2502, 28450), (2780, 25605), (2845, 25020), (3414, 20850), (3475, 20484), (4170, 17070), (5004, 14225), (5121, 13900), (5690, 12510), (6255, 11380), (6828, 10425), (6950, 10242), (8340, 8535)]