99401680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1277}}^1$

素因数の和:1436

約数の個数: 80

約数和(自身を含む): 266232960

約数和(自身を除く): 166831280

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, 1277, 1390, 1946, 2224, 2554, 2780, 3892, 4865, 5108, 5560, 6385, 7784, 8939, 9730, 10216, 11120, 12770, 15568, 17878, 19460, 20432, 25540, 35756, 38920, 44695, 51080, 71512, 77840, 89390, 102160, 143024, 177503, 178780, 355006, 357560, 710012, 715120, 887515, 1242521, 1420024, 1775030, 2485042, 2840048, 3550060, 4970084, 6212605, 7100120, 9940168, 12425210, 14200240, 19880336, 24850420, 49700840, 99401680]

約数ペア:

[(1, 99401680), (2, 49700840), (4, 24850420), (5, 19880336), (7, 14200240), (8, 12425210), (10, 9940168), (14, 7100120), (16, 6212605), (20, 4970084), (28, 3550060), (35, 2840048), (40, 2485042), (56, 1775030), (70, 1420024), (80, 1242521), (112, 887515), (139, 715120), (140, 710012), (278, 357560), (280, 355006), (556, 178780), (560, 177503), (695, 143024), (973, 102160), (1112, 89390), (1277, 77840), (1390, 71512), (1946, 51080), (2224, 44695), (2554, 38920), (2780, 35756), (3892, 25540), (4865, 20432), (5108, 19460), (5560, 17878), (6385, 15568), (7784, 12770), (8939, 11120), (9730, 10216)]