287691890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1\times {\mathrm{1949}}^1$

素因数の和:2494

約数の個数: 32

約数和(自身を含む): 537030000

約数和(自身を除く): 249338110

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 509, 1018, 1949, 2545, 3898, 5090, 9745, 14761, 19490, 29522, 56521, 73805, 113042, 147610, 282605, 565210, 992041, 1984082, 4960205, 9920410, 28769189, 57538378, 143845945, 287691890]

約数ペア:

[(1, 287691890), (2, 143845945), (5, 57538378), (10, 28769189), (29, 9920410), (58, 4960205), (145, 1984082), (290, 992041), (509, 565210), (1018, 282605), (1949, 147610), (2545, 113042), (3898, 73805), (5090, 56521), (9745, 29522), (14761, 19490)]