30431275

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 46764864

約数和(自身を除く): 16333589

約数列:

[1, 5, 7, 17, 25, 35, 53, 85, 119, 175, 193, 265, 371, 425, 595, 901, 965, 1325, 1351, 1855, 2975, 3281, 4505, 4825, 6307, 6755, 9275, 10229, 16405, 22525, 22967, 31535, 33775, 51145, 71603, 82025, 114835, 157675, 173893, 255725, 358015, 574175, 869465, 1217251, 1790075, 4347325, 6086255, 30431275]

約数ペア:

[(1, 30431275), (5, 6086255), (7, 4347325), (17, 1790075), (25, 1217251), (35, 869465), (53, 574175), (85, 358015), (119, 255725), (175, 173893), (193, 157675), (265, 114835), (371, 82025), (425, 71603), (595, 51145), (901, 33775), (965, 31535), (1325, 22967), (1351, 22525), (1855, 16405), (2975, 10229), (3281, 9275), (4505, 6755), (4825, 6307)]