7688920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 18604800

約数和(自身を除く): 10915880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 67, 76, 95, 134, 151, 152, 190, 268, 302, 335, 380, 536, 604, 670, 755, 760, 1208, 1273, 1340, 1510, 2546, 2680, 2869, 3020, 5092, 5738, 6040, 6365, 10117, 10184, 11476, 12730, 14345, 20234, 22952, 25460, 28690, 40468, 50585, 50920, 57380, 80936, 101170, 114760, 192223, 202340, 384446, 404680, 768892, 961115, 1537784, 1922230, 3844460, 7688920]

約数ペア:

[(1, 7688920), (2, 3844460), (4, 1922230), (5, 1537784), (8, 961115), (10, 768892), (19, 404680), (20, 384446), (38, 202340), (40, 192223), (67, 114760), (76, 101170), (95, 80936), (134, 57380), (151, 50920), (152, 50585), (190, 40468), (268, 28690), (302, 25460), (335, 22952), (380, 20234), (536, 14345), (604, 12730), (670, 11476), (755, 10184), (760, 10117), (1208, 6365), (1273, 6040), (1340, 5738), (1510, 5092), (2546, 3020), (2680, 2869)]