51828420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{123401}}^1$

素因数の和:123420

約数の個数: 48

約数和(自身を含む): 165852288

約数和(自身を除く): 114023868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 123401, 246802, 370203, 493604, 617005, 740406, 863807, 1234010, 1480812, 1727614, 1851015, 2468020, 2591421, 3455228, 3702030, 4319035, 5182842, 7404060, 8638070, 10365684, 12957105, 17276140, 25914210, 51828420]

約数ペア:

[(1, 51828420), (2, 25914210), (3, 17276140), (4, 12957105), (5, 10365684), (6, 8638070), (7, 7404060), (10, 5182842), (12, 4319035), (14, 3702030), (15, 3455228), (20, 2591421), (21, 2468020), (28, 1851015), (30, 1727614), (35, 1480812), (42, 1234010), (60, 863807), (70, 740406), (84, 617005), (105, 493604), (140, 370203), (210, 246802), (420, 123401)]