199900540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11243}}^1$

素因数の和:11386

約数の個数: 48

約数和(自身を含む): 483581952

約数和(自身を除く): 283681412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 11243, 17780, 22486, 44972, 56215, 78701, 112430, 157402, 224860, 314804, 393505, 787010, 1427861, 1574020, 2855722, 5711444, 7139305, 9995027, 14278610, 19990054, 28557220, 39980108, 49975135, 99950270, 199900540]

約数ペア:

[(1, 199900540), (2, 99950270), (4, 49975135), (5, 39980108), (7, 28557220), (10, 19990054), (14, 14278610), (20, 9995027), (28, 7139305), (35, 5711444), (70, 2855722), (127, 1574020), (140, 1427861), (254, 787010), (508, 393505), (635, 314804), (889, 224860), (1270, 157402), (1778, 112430), (2540, 78701), (3556, 56215), (4445, 44972), (8890, 22486), (11243, 17780)]