78056690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 156764160

約数和(自身を除く): 78707470

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 71, 85, 142, 145, 170, 223, 290, 355, 446, 493, 710, 986, 1115, 1207, 2059, 2230, 2414, 2465, 3791, 4118, 4930, 6035, 6467, 7582, 10295, 12070, 12934, 15833, 18955, 20590, 31666, 32335, 35003, 37910, 64670, 70006, 79165, 109939, 158330, 175015, 219878, 269161, 350030, 459157, 538322, 549695, 918314, 1099390, 1345805, 2295785, 2691610, 4591570, 7805669, 15611338, 39028345, 78056690]

約数ペア:

[(1, 78056690), (2, 39028345), (5, 15611338), (10, 7805669), (17, 4591570), (29, 2691610), (34, 2295785), (58, 1345805), (71, 1099390), (85, 918314), (142, 549695), (145, 538322), (170, 459157), (223, 350030), (290, 269161), (355, 219878), (446, 175015), (493, 158330), (710, 109939), (986, 79165), (1115, 70006), (1207, 64670), (2059, 37910), (2230, 35003), (2414, 32335), (2465, 31666), (3791, 20590), (4118, 18955), (4930, 15833), (6035, 12934), (6467, 12070), (7582, 10295)]