28909070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2143}}^1$

素因数の和:2240

約数の個数: 32

約数和(自身を含む): 55572480

約数和(自身を除く): 26663410

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2143, 2698, 4286, 6745, 10715, 13490, 21430, 40717, 81434, 152153, 203585, 304306, 407170, 760765, 1521530, 2890907, 5781814, 14454535, 28909070]

約数ペア:

[(1, 28909070), (2, 14454535), (5, 5781814), (10, 2890907), (19, 1521530), (38, 760765), (71, 407170), (95, 304306), (142, 203585), (190, 152153), (355, 81434), (710, 40717), (1349, 21430), (2143, 13490), (2698, 10715), (4286, 6745)]