78519100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1741}}^1$

素因数の和:1807

約数の個数: 72

約数和(自身を含む): 190519056

約数和(自身を除く): 111999956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 205, 220, 275, 410, 451, 550, 820, 902, 1025, 1100, 1741, 1804, 2050, 2255, 3482, 4100, 4510, 6964, 8705, 9020, 11275, 17410, 19151, 22550, 34820, 38302, 43525, 45100, 71381, 76604, 87050, 95755, 142762, 174100, 191510, 285524, 356905, 383020, 478775, 713810, 785191, 957550, 1427620, 1570382, 1784525, 1915100, 3140764, 3569050, 3925955, 7138100, 7851910, 15703820, 19629775, 39259550, 78519100]

約数ペア:

[(1, 78519100), (2, 39259550), (4, 19629775), (5, 15703820), (10, 7851910), (11, 7138100), (20, 3925955), (22, 3569050), (25, 3140764), (41, 1915100), (44, 1784525), (50, 1570382), (55, 1427620), (82, 957550), (100, 785191), (110, 713810), (164, 478775), (205, 383020), (220, 356905), (275, 285524), (410, 191510), (451, 174100), (550, 142762), (820, 95755), (902, 87050), (1025, 76604), (1100, 71381), (1741, 45100), (1804, 43525), (2050, 38302), (2255, 34820), (3482, 22550), (4100, 19151), (4510, 17410), (6964, 11275), (8705, 9020)]