5285990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:716

約数の個数: 32

約数和(自身を含む): 10264320

約数和(自身を除く): 4978330

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 647, 817, 1294, 1634, 3235, 4085, 6470, 8170, 12293, 24586, 27821, 55642, 61465, 122930, 139105, 278210, 528599, 1057198, 2642995, 5285990]

約数ペア:

[(1, 5285990), (2, 2642995), (5, 1057198), (10, 528599), (19, 278210), (38, 139105), (43, 122930), (86, 61465), (95, 55642), (190, 27821), (215, 24586), (430, 12293), (647, 8170), (817, 6470), (1294, 4085), (1634, 3235)]