217698320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3061}}^1$

素因数の和:3208

約数の個数: 80

約数和(自身を含む): 583200768

約数和(自身を除く): 365502448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1270, 1778, 2032, 2540, 3061, 3556, 4445, 5080, 6122, 7112, 8890, 10160, 12244, 14224, 15305, 17780, 21427, 24488, 30610, 35560, 42854, 48976, 61220, 71120, 85708, 107135, 122440, 171416, 214270, 244880, 342832, 388747, 428540, 777494, 857080, 1554988, 1714160, 1943735, 2721229, 3109976, 3887470, 5442458, 6219952, 7774940, 10884916, 13606145, 15549880, 21769832, 27212290, 31099760, 43539664, 54424580, 108849160, 217698320]

約数ペア:

[(1, 217698320), (2, 108849160), (4, 54424580), (5, 43539664), (7, 31099760), (8, 27212290), (10, 21769832), (14, 15549880), (16, 13606145), (20, 10884916), (28, 7774940), (35, 6219952), (40, 5442458), (56, 3887470), (70, 3109976), (80, 2721229), (112, 1943735), (127, 1714160), (140, 1554988), (254, 857080), (280, 777494), (508, 428540), (560, 388747), (635, 342832), (889, 244880), (1016, 214270), (1270, 171416), (1778, 122440), (2032, 107135), (2540, 85708), (3061, 71120), (3556, 61220), (4445, 48976), (5080, 42854), (6122, 35560), (7112, 30610), (8890, 24488), (10160, 21427), (12244, 17780), (14224, 15305)]