77821210

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1801}}^1$

素因数の和:1986

約数の個数: 32

約数和(自身を含む): 145962000

約数和(自身を除く): 68140790

約数列:

[1, 2, 5, 10, 29, 58, 145, 149, 290, 298, 745, 1490, 1801, 3602, 4321, 8642, 9005, 18010, 21605, 43210, 52229, 104458, 261145, 268349, 522290, 536698, 1341745, 2683490, 7782121, 15564242, 38910605, 77821210]

約数ペア:

[(1, 77821210), (2, 38910605), (5, 15564242), (10, 7782121), (29, 2683490), (58, 1341745), (145, 536698), (149, 522290), (290, 268349), (298, 261145), (745, 104458), (1490, 52229), (1801, 43210), (3602, 21605), (4321, 18010), (8642, 9005)]