64714370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 139968000

約数和(自身を除く): 75253630

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 71, 142, 145, 203, 290, 355, 406, 449, 497, 710, 898, 994, 1015, 2030, 2059, 2245, 2485, 3143, 4118, 4490, 4970, 6286, 10295, 13021, 14413, 15715, 20590, 26042, 28826, 31430, 31879, 63758, 65105, 72065, 91147, 130210, 144130, 159395, 182294, 223153, 318790, 446306, 455735, 911470, 924491, 1115765, 1848982, 2231530, 4622455, 6471437, 9244910, 12942874, 32357185, 64714370]

約数ペア:

[(1, 64714370), (2, 32357185), (5, 12942874), (7, 9244910), (10, 6471437), (14, 4622455), (29, 2231530), (35, 1848982), (58, 1115765), (70, 924491), (71, 911470), (142, 455735), (145, 446306), (203, 318790), (290, 223153), (355, 182294), (406, 159395), (449, 144130), (497, 130210), (710, 91147), (898, 72065), (994, 65105), (1015, 63758), (2030, 31879), (2059, 31430), (2245, 28826), (2485, 26042), (3143, 20590), (4118, 15715), (4490, 14413), (4970, 13021), (6286, 10295)]