255759140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{140527}}^1$

素因数の和:140556

約数の個数: 48

約数和(自身を含む): 661043712

約数和(自身を除く): 405284572

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 140527, 281054, 562108, 702635, 983689, 1405270, 1826851, 1967378, 2810540, 3653702, 3934756, 4918445, 7307404, 9134255, 9836890, 12787957, 18268510, 19673780, 25575914, 36537020, 51151828, 63939785, 127879570, 255759140]

約数ペア:

[(1, 255759140), (2, 127879570), (4, 63939785), (5, 51151828), (7, 36537020), (10, 25575914), (13, 19673780), (14, 18268510), (20, 12787957), (26, 9836890), (28, 9134255), (35, 7307404), (52, 4918445), (65, 3934756), (70, 3653702), (91, 2810540), (130, 1967378), (140, 1826851), (182, 1405270), (260, 983689), (364, 702635), (455, 562108), (910, 281054), (1820, 140527)]