28390850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 56567808

約数和(自身を除く): 28176958

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 127, 170, 254, 263, 425, 526, 635, 850, 1270, 1315, 2159, 2630, 3175, 4318, 4471, 6350, 6575, 8942, 10795, 13150, 21590, 22355, 33401, 44710, 53975, 66802, 107950, 111775, 167005, 223550, 334010, 567817, 835025, 1135634, 1670050, 2839085, 5678170, 14195425, 28390850]

約数ペア:

[(1, 28390850), (2, 14195425), (5, 5678170), (10, 2839085), (17, 1670050), (25, 1135634), (34, 835025), (50, 567817), (85, 334010), (127, 223550), (170, 167005), (254, 111775), (263, 107950), (425, 66802), (526, 53975), (635, 44710), (850, 33401), (1270, 22355), (1315, 21590), (2159, 13150), (2630, 10795), (3175, 8942), (4318, 6575), (4471, 6350)]