257260010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1151}}^1$

素因数の和:1299

約数の個数: 64

約数和(自身を含む): 552075264

約数和(自身を除く): 294815254

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 103, 155, 206, 217, 310, 434, 515, 721, 1030, 1085, 1151, 1442, 2170, 2302, 3193, 3605, 5755, 6386, 7210, 8057, 11510, 15965, 16114, 22351, 31930, 35681, 40285, 44702, 71362, 80570, 111755, 118553, 178405, 223510, 237106, 249767, 356810, 499534, 592765, 829871, 1185530, 1248835, 1659742, 2497670, 3675143, 4149355, 7350286, 8298710, 18375715, 25726001, 36751430, 51452002, 128630005, 257260010]

約数ペア:

[(1, 257260010), (2, 128630005), (5, 51452002), (7, 36751430), (10, 25726001), (14, 18375715), (31, 8298710), (35, 7350286), (62, 4149355), (70, 3675143), (103, 2497670), (155, 1659742), (206, 1248835), (217, 1185530), (310, 829871), (434, 592765), (515, 499534), (721, 356810), (1030, 249767), (1085, 237106), (1151, 223510), (1442, 178405), (2170, 118553), (2302, 111755), (3193, 80570), (3605, 71362), (5755, 44702), (6386, 40285), (7210, 35681), (8057, 31930), (11510, 22351), (15965, 16114)]