100491440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1291}}^1$

素因数の和:1450

約数の個数: 80

約数和(自身を含む): 269149440

約数和(自身を除く): 168658000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 973, 1112, 1291, 1390, 1946, 2224, 2582, 2780, 3892, 4865, 5164, 5560, 6455, 7784, 9037, 9730, 10328, 11120, 12910, 15568, 18074, 19460, 20656, 25820, 36148, 38920, 45185, 51640, 72296, 77840, 90370, 103280, 144592, 179449, 180740, 358898, 361480, 717796, 722960, 897245, 1256143, 1435592, 1794490, 2512286, 2871184, 3588980, 5024572, 6280715, 7177960, 10049144, 12561430, 14355920, 20098288, 25122860, 50245720, 100491440]

約数ペア:

[(1, 100491440), (2, 50245720), (4, 25122860), (5, 20098288), (7, 14355920), (8, 12561430), (10, 10049144), (14, 7177960), (16, 6280715), (20, 5024572), (28, 3588980), (35, 2871184), (40, 2512286), (56, 1794490), (70, 1435592), (80, 1256143), (112, 897245), (139, 722960), (140, 717796), (278, 361480), (280, 358898), (556, 180740), (560, 179449), (695, 144592), (973, 103280), (1112, 90370), (1291, 77840), (1390, 72296), (1946, 51640), (2224, 45185), (2582, 38920), (2780, 36148), (3892, 25820), (4865, 20656), (5164, 19460), (5560, 18074), (6455, 15568), (7784, 12910), (9037, 11120), (9730, 10328)]