201267690640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1901}}^1\times {\mathrm{77849}}^1$

素因数の和:79780

約数の個数: 80

約数和(自身を含む): 495740703600

約数和(自身を除く): 294473012960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1901, 3802, 7604, 9505, 15208, 19010, 30416, 32317, 38020, 64634, 76040, 77849, 129268, 152080, 155698, 161585, 258536, 311396, 323170, 389245, 517072, 622792, 646340, 778490, 1245584, 1292680, 1323433, 1556980, 2585360, 2646866, 3113960, 5293732, 6227920, 6617165, 10587464, 13234330, 21174928, 26468660, 52937320, 105874640, 147990949, 295981898, 591963796, 739954745, 1183927592, 1479909490, 2367855184, 2515846133, 2959818980, 5031692266, 5919637960, 10063384532, 11839275920, 12579230665, 20126769064, 25158461330, 40253538128, 50316922660, 100633845320, 201267690640]

約数ペア:

[(1, 201267690640), (2, 100633845320), (4, 50316922660), (5, 40253538128), (8, 25158461330), (10, 20126769064), (16, 12579230665), (17, 11839275920), (20, 10063384532), (34, 5919637960), (40, 5031692266), (68, 2959818980), (80, 2515846133), (85, 2367855184), (136, 1479909490), (170, 1183927592), (272, 739954745), (340, 591963796), (680, 295981898), (1360, 147990949), (1901, 105874640), (3802, 52937320), (7604, 26468660), (9505, 21174928), (15208, 13234330), (19010, 10587464), (30416, 6617165), (32317, 6227920), (38020, 5293732), (64634, 3113960), (76040, 2646866), (77849, 2585360), (129268, 1556980), (152080, 1323433), (155698, 1292680), (161585, 1245584), (258536, 778490), (311396, 646340), (323170, 622792), (389245, 517072)]