74211825

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 128920320

約数和(自身を除く): 54708495

約数列:

[1, 3, 5, 15, 25, 37, 47, 75, 111, 141, 185, 235, 555, 569, 705, 925, 1175, 1707, 1739, 2775, 2845, 3525, 5217, 8535, 8695, 14225, 21053, 26085, 26743, 42675, 43475, 63159, 80229, 105265, 130425, 133715, 315795, 401145, 526325, 668575, 989491, 1578975, 2005725, 2968473, 4947455, 14842365, 24737275, 74211825]

約数ペア:

[(1, 74211825), (3, 24737275), (5, 14842365), (15, 4947455), (25, 2968473), (37, 2005725), (47, 1578975), (75, 989491), (111, 668575), (141, 526325), (185, 401145), (235, 315795), (555, 133715), (569, 130425), (705, 105265), (925, 80229), (1175, 63159), (1707, 43475), (1739, 42675), (2775, 26743), (2845, 26085), (3525, 21053), (5217, 14225), (8535, 8695)]