291217480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{3929}}^1$

素因数の和:4066

約数の個数: 64

約数和(自身を含む): 700326000

約数和(自身を除く): 409108520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 109, 136, 170, 218, 340, 436, 545, 680, 872, 1090, 1853, 2180, 3706, 3929, 4360, 7412, 7858, 9265, 14824, 15716, 18530, 19645, 31432, 37060, 39290, 66793, 74120, 78580, 133586, 157160, 267172, 333965, 428261, 534344, 667930, 856522, 1335860, 1713044, 2141305, 2671720, 3426088, 4282610, 7280437, 8565220, 14560874, 17130440, 29121748, 36402185, 58243496, 72804370, 145608740, 291217480]

約数ペア:

[(1, 291217480), (2, 145608740), (4, 72804370), (5, 58243496), (8, 36402185), (10, 29121748), (17, 17130440), (20, 14560874), (34, 8565220), (40, 7280437), (68, 4282610), (85, 3426088), (109, 2671720), (136, 2141305), (170, 1713044), (218, 1335860), (340, 856522), (436, 667930), (545, 534344), (680, 428261), (872, 333965), (1090, 267172), (1853, 157160), (2180, 133586), (3706, 78580), (3929, 74120), (4360, 66793), (7412, 39290), (7858, 37060), (9265, 31432), (14824, 19645), (15716, 18530)]