143423920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{241}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 344611872

約数和(自身を除く): 201187952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 173, 215, 241, 344, 346, 430, 482, 688, 692, 860, 865, 964, 1205, 1384, 1720, 1730, 1928, 2410, 2768, 3440, 3460, 3856, 4820, 6920, 7439, 9640, 10363, 13840, 14878, 19280, 20726, 29756, 37195, 41452, 41693, 51815, 59512, 74390, 82904, 83386, 103630, 119024, 148780, 165808, 166772, 207260, 208465, 297560, 333544, 414520, 416930, 595120, 667088, 829040, 833860, 1667720, 1792799, 3335440, 3585598, 7171196, 8963995, 14342392, 17927990, 28684784, 35855980, 71711960, 143423920]

約数ペア:

[(1, 143423920), (2, 71711960), (4, 35855980), (5, 28684784), (8, 17927990), (10, 14342392), (16, 8963995), (20, 7171196), (40, 3585598), (43, 3335440), (80, 1792799), (86, 1667720), (172, 833860), (173, 829040), (215, 667088), (241, 595120), (344, 416930), (346, 414520), (430, 333544), (482, 297560), (688, 208465), (692, 207260), (860, 166772), (865, 165808), (964, 148780), (1205, 119024), (1384, 103630), (1720, 83386), (1730, 82904), (1928, 74390), (2410, 59512), (2768, 51815), (3440, 41693), (3460, 41452), (3856, 37195), (4820, 29756), (6920, 20726), (7439, 19280), (9640, 14878), (10363, 13840)]