89987240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{321383}}^1$

素因数の和:321401

約数の個数: 32

約数和(自身を含む): 231396480

約数和(自身を除く): 141409240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 321383, 642766, 1285532, 1606915, 2249681, 2571064, 3213830, 4499362, 6427660, 8998724, 11248405, 12855320, 17997448, 22496810, 44993620, 89987240]

約数ペア:

[(1, 89987240), (2, 44993620), (4, 22496810), (5, 17997448), (7, 12855320), (8, 11248405), (10, 8998724), (14, 6427660), (20, 4499362), (28, 3213830), (35, 2571064), (40, 2249681), (56, 1606915), (70, 1285532), (140, 642766), (280, 321383)]