71402800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{3643}}^1$

素因数の和:3675

約数の個数: 90

約数和(自身を含む): 199607388

約数和(自身を除く): 128204588

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3643, 3920, 4900, 7286, 9800, 14572, 18215, 19600, 25501, 29144, 36430, 51002, 58288, 72860, 91075, 102004, 127505, 145720, 178507, 182150, 204008, 255010, 291440, 357014, 364300, 408016, 510020, 637525, 714028, 728600, 892535, 1020040, 1275050, 1428056, 1457200, 1785070, 2040080, 2550100, 2856112, 3570140, 4462675, 5100200, 7140280, 8925350, 10200400, 14280560, 17850700, 35701400, 71402800]

約数ペア:

[(1, 71402800), (2, 35701400), (4, 17850700), (5, 14280560), (7, 10200400), (8, 8925350), (10, 7140280), (14, 5100200), (16, 4462675), (20, 3570140), (25, 2856112), (28, 2550100), (35, 2040080), (40, 1785070), (49, 1457200), (50, 1428056), (56, 1275050), (70, 1020040), (80, 892535), (98, 728600), (100, 714028), (112, 637525), (140, 510020), (175, 408016), (196, 364300), (200, 357014), (245, 291440), (280, 255010), (350, 204008), (392, 182150), (400, 178507), (490, 145720), (560, 127505), (700, 102004), (784, 91075), (980, 72860), (1225, 58288), (1400, 51002), (1960, 36430), (2450, 29144), (2800, 25501), (3643, 19600), (3920, 18215), (4900, 14572), (7286, 9800)]