2123403925

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{757}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 2816940240

約数和(自身を除く): 693536315

約数列:

[1, 5, 25, 29, 53, 73, 145, 265, 365, 725, 757, 1325, 1537, 1825, 2117, 3785, 3869, 7685, 10585, 18925, 19345, 21953, 38425, 40121, 52925, 55261, 96725, 109765, 112201, 200605, 276305, 548825, 561005, 1003025, 1163509, 1381525, 1602569, 2805025, 2928833, 5817545, 8012845, 14644165, 29087725, 40064225, 73220825, 84936157, 424680785, 2123403925]

約数ペア:

[(1, 2123403925), (5, 424680785), (25, 84936157), (29, 73220825), (53, 40064225), (73, 29087725), (145, 14644165), (265, 8012845), (365, 5817545), (725, 2928833), (757, 2805025), (1325, 1602569), (1537, 1381525), (1825, 1163509), (2117, 1003025), (3785, 561005), (3869, 548825), (7685, 276305), (10585, 200605), (18925, 112201), (19345, 109765), (21953, 96725), (38425, 55261), (40121, 52925)]