166748680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3023}}^1$

素因数の和:3238

約数の個数: 64

約数和(自身を含む): 431101440

約数和(自身を除く): 264352760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1576, 1970, 2758, 3023, 3940, 5516, 6046, 6895, 7880, 11032, 12092, 13790, 15115, 21161, 24184, 27580, 30230, 42322, 55160, 60460, 84644, 105805, 120920, 169288, 211610, 423220, 595531, 846440, 1191062, 2382124, 2977655, 4168717, 4764248, 5955310, 8337434, 11910620, 16674868, 20843585, 23821240, 33349736, 41687170, 83374340, 166748680]

約数ペア:

[(1, 166748680), (2, 83374340), (4, 41687170), (5, 33349736), (7, 23821240), (8, 20843585), (10, 16674868), (14, 11910620), (20, 8337434), (28, 5955310), (35, 4764248), (40, 4168717), (56, 2977655), (70, 2382124), (140, 1191062), (197, 846440), (280, 595531), (394, 423220), (788, 211610), (985, 169288), (1379, 120920), (1576, 105805), (1970, 84644), (2758, 60460), (3023, 55160), (3940, 42322), (5516, 30230), (6046, 27580), (6895, 24184), (7880, 21161), (11032, 15115), (12092, 13790)]