248814975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10271}}^1$

素因数の和:10320

約数の個数: 48

約数和(自身を含む): 458542080

約数和(自身を除く): 209727105

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 425, 475, 969, 1275, 1425, 1615, 4845, 8075, 10271, 24225, 30813, 51355, 154065, 174607, 195149, 256775, 523821, 585447, 770325, 873035, 975745, 2619105, 2927235, 3317533, 4365175, 4878725, 9952599, 13095525, 14636175, 16587665, 49762995, 82938325, 248814975]

約数ペア:

[(1, 248814975), (3, 82938325), (5, 49762995), (15, 16587665), (17, 14636175), (19, 13095525), (25, 9952599), (51, 4878725), (57, 4365175), (75, 3317533), (85, 2927235), (95, 2619105), (255, 975745), (285, 873035), (323, 770325), (425, 585447), (475, 523821), (969, 256775), (1275, 195149), (1425, 174607), (1615, 154065), (4845, 51355), (8075, 30813), (10271, 24225)]