25312490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 30674710

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 89, 119, 170, 178, 238, 239, 445, 478, 595, 623, 890, 1190, 1195, 1246, 1513, 1673, 2390, 3026, 3115, 3346, 4063, 6230, 7565, 8126, 8365, 10591, 15130, 16730, 20315, 21182, 21271, 28441, 40630, 42542, 52955, 56882, 105910, 106355, 142205, 148897, 212710, 284410, 297794, 361607, 723214, 744485, 1488970, 1808035, 2531249, 3616070, 5062498, 12656245, 25312490]

約数ペア:

[(1, 25312490), (2, 12656245), (5, 5062498), (7, 3616070), (10, 2531249), (14, 1808035), (17, 1488970), (34, 744485), (35, 723214), (70, 361607), (85, 297794), (89, 284410), (119, 212710), (170, 148897), (178, 142205), (238, 106355), (239, 105910), (445, 56882), (478, 52955), (595, 42542), (623, 40630), (890, 28441), (1190, 21271), (1195, 21182), (1246, 20315), (1513, 16730), (1673, 15130), (2390, 10591), (3026, 8365), (3115, 8126), (3346, 7565), (4063, 6230)]