49700840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1277}}^1$

素因数の和:1434

約数の個数: 64

約数和(自身を含む): 128822400

約数和(自身を除く): 79121560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1277, 1390, 1946, 2554, 2780, 3892, 4865, 5108, 5560, 6385, 7784, 8939, 9730, 10216, 12770, 17878, 19460, 25540, 35756, 38920, 44695, 51080, 71512, 89390, 177503, 178780, 355006, 357560, 710012, 887515, 1242521, 1420024, 1775030, 2485042, 3550060, 4970084, 6212605, 7100120, 9940168, 12425210, 24850420, 49700840]

約数ペア:

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