389490560

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14153}}^1$

素因数の和:14215

約数の個数: 64

約数和(自身を含む): 952847280

約数和(自身を除く): 563356720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1720, 2752, 3440, 5504, 6880, 13760, 14153, 27520, 28306, 56612, 70765, 113224, 141530, 226448, 283060, 452896, 566120, 608579, 905792, 1132240, 1217158, 1811584, 2264480, 2434316, 3042895, 4528960, 4868632, 6085790, 9057920, 9737264, 12171580, 19474528, 24343160, 38949056, 48686320, 77898112, 97372640, 194745280, 389490560]

約数ペア:

[(1, 389490560), (2, 194745280), (4, 97372640), (5, 77898112), (8, 48686320), (10, 38949056), (16, 24343160), (20, 19474528), (32, 12171580), (40, 9737264), (43, 9057920), (64, 6085790), (80, 4868632), (86, 4528960), (128, 3042895), (160, 2434316), (172, 2264480), (215, 1811584), (320, 1217158), (344, 1132240), (430, 905792), (640, 608579), (688, 566120), (860, 452896), (1376, 283060), (1720, 226448), (2752, 141530), (3440, 113224), (5504, 70765), (6880, 56612), (13760, 28306), (14153, 27520)]