204697925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 279624960

約数和(自身を除く): 74927035

約数列:

[1, 5, 19, 25, 47, 53, 95, 173, 235, 265, 475, 865, 893, 1007, 1175, 1325, 2491, 3287, 4325, 4465, 5035, 8131, 9169, 12455, 16435, 22325, 25175, 40655, 45845, 47329, 62275, 82175, 154489, 174211, 203275, 229225, 236645, 430943, 772445, 871055, 1183225, 2154715, 3862225, 4355275, 8187917, 10773575, 40939585, 204697925]

約数ペア:

[(1, 204697925), (5, 40939585), (19, 10773575), (25, 8187917), (47, 4355275), (53, 3862225), (95, 2154715), (173, 1183225), (235, 871055), (265, 772445), (475, 430943), (865, 236645), (893, 229225), (1007, 203275), (1175, 174211), (1325, 154489), (2491, 82175), (3287, 62275), (4325, 47329), (4465, 45845), (5035, 40655), (8131, 25175), (9169, 22325), (12455, 16435)]