86771720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{309899}}^1$

素因数の和:309917

約数の個数: 32

約数和(自身を含む): 223128000

約数和(自身を除く): 136356280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 309899, 619798, 1239596, 1549495, 2169293, 2479192, 3098990, 4338586, 6197980, 8677172, 10846465, 12395960, 17354344, 21692930, 43385860, 86771720]

約数ペア:

[(1, 86771720), (2, 43385860), (4, 21692930), (5, 17354344), (7, 12395960), (8, 10846465), (10, 8677172), (14, 6197980), (20, 4338586), (28, 3098990), (35, 2479192), (40, 2169293), (56, 1549495), (70, 1239596), (140, 619798), (280, 309899)]