30421090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 66873600

約数和(自身を除く): 36452510

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 89, 95, 133, 178, 190, 257, 266, 445, 514, 623, 665, 890, 1246, 1285, 1330, 1691, 1799, 2570, 3115, 3382, 3598, 4883, 6230, 8455, 8995, 9766, 11837, 16910, 17990, 22873, 23674, 24415, 34181, 45746, 48830, 59185, 68362, 114365, 118370, 160111, 170905, 228730, 320222, 341810, 434587, 800555, 869174, 1601110, 2172935, 3042109, 4345870, 6084218, 15210545, 30421090]

約数ペア:

[(1, 30421090), (2, 15210545), (5, 6084218), (7, 4345870), (10, 3042109), (14, 2172935), (19, 1601110), (35, 869174), (38, 800555), (70, 434587), (89, 341810), (95, 320222), (133, 228730), (178, 170905), (190, 160111), (257, 118370), (266, 114365), (445, 68362), (514, 59185), (623, 48830), (665, 45746), (890, 34181), (1246, 24415), (1285, 23674), (1330, 22873), (1691, 17990), (1799, 16910), (2570, 11837), (3115, 9766), (3382, 8995), (3598, 8455), (4883, 6230)]