395048920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61343}}^1$

素因数の和:61384

約数の個数: 64

約数和(自身を含む): 1060024320

約数和(自身を除く): 664975400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 61343, 122686, 245372, 306715, 429401, 490744, 613430, 858802, 1226860, 1410889, 1717604, 2147005, 2453720, 2821778, 3435208, 4294010, 5643556, 7054445, 8588020, 9876223, 11287112, 14108890, 17176040, 19752446, 28217780, 39504892, 49381115, 56435560, 79009784, 98762230, 197524460, 395048920]

約数ペア:

[(1, 395048920), (2, 197524460), (4, 98762230), (5, 79009784), (7, 56435560), (8, 49381115), (10, 39504892), (14, 28217780), (20, 19752446), (23, 17176040), (28, 14108890), (35, 11287112), (40, 9876223), (46, 8588020), (56, 7054445), (70, 5643556), (92, 4294010), (115, 3435208), (140, 2821778), (161, 2453720), (184, 2147005), (230, 1717604), (280, 1410889), (322, 1226860), (460, 858802), (644, 613430), (805, 490744), (920, 429401), (1288, 306715), (1610, 245372), (3220, 122686), (6440, 61343)]