248407339975

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{4217}}^1$

素因数の和:4433

約数の個数: 72

約数和(自身を含む): 333586671408

約数和(自身を除く): 85179331433

約数列:

[1, 5, 19, 25, 61, 95, 107, 305, 361, 475, 535, 1159, 1525, 1805, 2033, 2675, 4217, 5795, 6527, 9025, 10165, 21085, 22021, 28975, 32635, 38627, 50825, 80123, 105425, 110105, 124013, 163175, 193135, 257237, 400615, 451219, 550525, 620065, 965675, 1286185, 1522337, 2003075, 2256095, 2356247, 3100325, 4887503, 6430925, 7611685, 8573161, 11280475, 11781235, 24437515, 27524359, 38058425, 42865805, 58906175, 92862557, 122187575, 137621795, 162890059, 214329025, 464312785, 522962821, 688108975, 814450295, 2321563925, 2614814105, 4072251475, 9936293599, 13074070525, 49681467995, 248407339975]

約数ペア:

[(1, 248407339975), (5, 49681467995), (19, 13074070525), (25, 9936293599), (61, 4072251475), (95, 2614814105), (107, 2321563925), (305, 814450295), (361, 688108975), (475, 522962821), (535, 464312785), (1159, 214329025), (1525, 162890059), (1805, 137621795), (2033, 122187575), (2675, 92862557), (4217, 58906175), (5795, 42865805), (6527, 38058425), (9025, 27524359), (10165, 24437515), (21085, 11781235), (22021, 11280475), (28975, 8573161), (32635, 7611685), (38627, 6430925), (50825, 4887503), (80123, 3100325), (105425, 2356247), (110105, 2256095), (124013, 2003075), (163175, 1522337), (193135, 1286185), (257237, 965675), (400615, 620065), (451219, 550525)]