28890650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{829}}^1$

素因数の和:899

約数の個数: 48

約数和(自身を含む): 58355640

約数和(自身を除く): 29464990

約数列:

[1, 2, 5, 10, 17, 25, 34, 41, 50, 82, 85, 170, 205, 410, 425, 697, 829, 850, 1025, 1394, 1658, 2050, 3485, 4145, 6970, 8290, 14093, 17425, 20725, 28186, 33989, 34850, 41450, 67978, 70465, 140930, 169945, 339890, 352325, 577813, 704650, 849725, 1155626, 1699450, 2889065, 5778130, 14445325, 28890650]

約数ペア:

[(1, 28890650), (2, 14445325), (5, 5778130), (10, 2889065), (17, 1699450), (25, 1155626), (34, 849725), (41, 704650), (50, 577813), (82, 352325), (85, 339890), (170, 169945), (205, 140930), (410, 70465), (425, 67978), (697, 41450), (829, 34850), (850, 33989), (1025, 28186), (1394, 20725), (1658, 17425), (2050, 14093), (3485, 8290), (4145, 6970)]