15209900125

素因数分解:

$5^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{40709}}^1$

素因数の和:40799

約数の個数: 48

約数和(自身を含む): 22443585840

約数和(自身を除く): 7233685715

約数列:

[1, 5, 7, 25, 35, 49, 61, 125, 175, 245, 305, 427, 875, 1225, 1525, 2135, 2989, 6125, 7625, 10675, 14945, 40709, 53375, 74725, 203545, 284963, 373625, 1017725, 1424815, 1994741, 2483249, 5088625, 7124075, 9973705, 12416245, 17382743, 35620375, 49868525, 62081225, 86913715, 121679201, 249342625, 310406125, 434568575, 608396005, 2172842875, 3041980025, 15209900125]

約数ペア:

[(1, 15209900125), (5, 3041980025), (7, 2172842875), (25, 608396005), (35, 434568575), (49, 310406125), (61, 249342625), (125, 121679201), (175, 86913715), (245, 62081225), (305, 49868525), (427, 35620375), (875, 17382743), (1225, 12416245), (1525, 9973705), (2135, 7124075), (2989, 5088625), (6125, 2483249), (7625, 1994741), (10675, 1424815), (14945, 1017725), (40709, 373625), (53375, 284963), (74725, 203545)]