76428520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{272959}}^1$

素因数の和:272977

約数の個数: 32

約数和(自身を含む): 196531200

約数和(自身を除く): 120102680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 272959, 545918, 1091836, 1364795, 1910713, 2183672, 2729590, 3821426, 5459180, 7642852, 9553565, 10918360, 15285704, 19107130, 38214260, 76428520]

約数ペア:

[(1, 76428520), (2, 38214260), (4, 19107130), (5, 15285704), (7, 10918360), (8, 9553565), (10, 7642852), (14, 5459180), (20, 3821426), (28, 2729590), (35, 2183672), (40, 1910713), (56, 1364795), (70, 1091836), (140, 545918), (280, 272959)]