313023025

素因数分解:

$5^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 473273280

約数和(自身を除く): 160250255

約数列:

[1, 5, 7, 25, 35, 49, 59, 61, 71, 175, 245, 295, 305, 355, 413, 427, 497, 1225, 1475, 1525, 1775, 2065, 2135, 2485, 2891, 2989, 3479, 3599, 4189, 4331, 10325, 10675, 12425, 14455, 14945, 17395, 17995, 20945, 21655, 25193, 29323, 30317, 72275, 74725, 86975, 89975, 104725, 108275, 125965, 146615, 151585, 176351, 205261, 212219, 255529, 629825, 733075, 757925, 881755, 1026305, 1061095, 1277645, 1788703, 4408775, 5131525, 5305475, 6388225, 8943515, 12520921, 44717575, 62604605, 313023025]

約数ペア:

[(1, 313023025), (5, 62604605), (7, 44717575), (25, 12520921), (35, 8943515), (49, 6388225), (59, 5305475), (61, 5131525), (71, 4408775), (175, 1788703), (245, 1277645), (295, 1061095), (305, 1026305), (355, 881755), (413, 757925), (427, 733075), (497, 629825), (1225, 255529), (1475, 212219), (1525, 205261), (1775, 176351), (2065, 151585), (2135, 146615), (2485, 125965), (2891, 108275), (2989, 104725), (3479, 89975), (3599, 86975), (4189, 74725), (4331, 72275), (10325, 30317), (10675, 29323), (12425, 25193), (14455, 21655), (14945, 20945), (17395, 17995)]