217789040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{22877}}^1$

素因数の和:22914

約数の個数: 80

約数和(自身を含む): 612764352

約数和(自身を除く): 394975312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 22877, 45754, 91508, 114385, 160139, 183016, 228770, 320278, 366032, 388909, 457540, 640556, 777818, 800695, 915080, 1281112, 1555636, 1601390, 1830160, 1944545, 2562224, 2722363, 3111272, 3202780, 3889090, 5444726, 6222544, 6405560, 7778180, 10889452, 12811120, 13611815, 15556360, 21778904, 27223630, 31112720, 43557808, 54447260, 108894520, 217789040]

約数ペア:

[(1, 217789040), (2, 108894520), (4, 54447260), (5, 43557808), (7, 31112720), (8, 27223630), (10, 21778904), (14, 15556360), (16, 13611815), (17, 12811120), (20, 10889452), (28, 7778180), (34, 6405560), (35, 6222544), (40, 5444726), (56, 3889090), (68, 3202780), (70, 3111272), (80, 2722363), (85, 2562224), (112, 1944545), (119, 1830160), (136, 1601390), (140, 1555636), (170, 1281112), (238, 915080), (272, 800695), (280, 777818), (340, 640556), (476, 457540), (560, 388909), (595, 366032), (680, 320278), (952, 228770), (1190, 183016), (1360, 160139), (1904, 114385), (2380, 91508), (4760, 45754), (9520, 22877)]