79747340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2969}}^1$

素因数の和:3074

約数の個数: 48

約数和(自身を含む): 179625600

約数和(自身を除く): 99878260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 1343, 1580, 2686, 2969, 5372, 5938, 6715, 11876, 13430, 14845, 26860, 29690, 50473, 59380, 100946, 201892, 234551, 252365, 469102, 504730, 938204, 1009460, 1172755, 2345510, 3987367, 4691020, 7974734, 15949468, 19936835, 39873670, 79747340]

約数ペア:

[(1, 79747340), (2, 39873670), (4, 19936835), (5, 15949468), (10, 7974734), (17, 4691020), (20, 3987367), (34, 2345510), (68, 1172755), (79, 1009460), (85, 938204), (158, 504730), (170, 469102), (316, 252365), (340, 234551), (395, 201892), (790, 100946), (1343, 59380), (1580, 50473), (2686, 29690), (2969, 26860), (5372, 14845), (5938, 13430), (6715, 11876)]