251016880

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{619}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 604738080

約数和(自身を除く): 353721200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 137, 148, 185, 274, 296, 370, 548, 592, 619, 685, 740, 1096, 1238, 1370, 1480, 2192, 2476, 2740, 2960, 3095, 4952, 5069, 5480, 6190, 9904, 10138, 10960, 12380, 20276, 22903, 24760, 25345, 40552, 45806, 49520, 50690, 81104, 84803, 91612, 101380, 114515, 169606, 183224, 202760, 229030, 339212, 366448, 405520, 424015, 458060, 678424, 848030, 916120, 1356848, 1696060, 1832240, 3137711, 3392120, 6275422, 6784240, 12550844, 15688555, 25101688, 31377110, 50203376, 62754220, 125508440, 251016880]

約数ペア:

[(1, 251016880), (2, 125508440), (4, 62754220), (5, 50203376), (8, 31377110), (10, 25101688), (16, 15688555), (20, 12550844), (37, 6784240), (40, 6275422), (74, 3392120), (80, 3137711), (137, 1832240), (148, 1696060), (185, 1356848), (274, 916120), (296, 848030), (370, 678424), (548, 458060), (592, 424015), (619, 405520), (685, 366448), (740, 339212), (1096, 229030), (1238, 202760), (1370, 183224), (1480, 169606), (2192, 114515), (2476, 101380), (2740, 91612), (2960, 84803), (3095, 81104), (4952, 50690), (5069, 49520), (5480, 45806), (6190, 40552), (9904, 25345), (10138, 24760), (10960, 22903), (12380, 20276)]