289386440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16943}}^1$

素因数の和:17022

約数の個数: 64

約数和(自身を含む): 756380160

約数和(自身を除く): 466993720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 8540, 16943, 17080, 33886, 67772, 84715, 118601, 135544, 169430, 237202, 338860, 474404, 593005, 677720, 948808, 1033523, 1186010, 2067046, 2372020, 4134092, 4744040, 5167615, 7234661, 8268184, 10335230, 14469322, 20670460, 28938644, 36173305, 41340920, 57877288, 72346610, 144693220, 289386440]

約数ペア:

[(1, 289386440), (2, 144693220), (4, 72346610), (5, 57877288), (7, 41340920), (8, 36173305), (10, 28938644), (14, 20670460), (20, 14469322), (28, 10335230), (35, 8268184), (40, 7234661), (56, 5167615), (61, 4744040), (70, 4134092), (122, 2372020), (140, 2067046), (244, 1186010), (280, 1033523), (305, 948808), (427, 677720), (488, 593005), (610, 474404), (854, 338860), (1220, 237202), (1708, 169430), (2135, 135544), (2440, 118601), (3416, 84715), (4270, 67772), (8540, 33886), (16943, 17080)]