90002500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 120

約数和(自身を含む): 232675520

約数和(自身を除く): 142673020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 50, 70, 74, 100, 125, 139, 140, 148, 175, 185, 250, 259, 278, 350, 370, 500, 518, 556, 625, 695, 700, 740, 875, 925, 973, 1036, 1250, 1295, 1390, 1750, 1850, 1946, 2500, 2590, 2780, 3475, 3500, 3700, 3892, 4375, 4625, 4865, 5143, 5180, 6475, 6950, 8750, 9250, 9730, 10286, 12950, 13900, 17375, 17500, 18500, 19460, 20572, 23125, 24325, 25715, 25900, 32375, 34750, 36001, 46250, 48650, 51430, 64750, 69500, 72002, 86875, 92500, 97300, 102860, 121625, 128575, 129500, 144004, 161875, 173750, 180005, 243250, 257150, 323750, 347500, 360010, 486500, 514300, 608125, 642875, 647500, 720020, 900025, 1216250, 1285750, 1800050, 2432500, 2571500, 3214375, 3600100, 4500125, 6428750, 9000250, 12857500, 18000500, 22500625, 45001250, 90002500]

約数ペア:

[(1, 90002500), (2, 45001250), (4, 22500625), (5, 18000500), (7, 12857500), (10, 9000250), (14, 6428750), (20, 4500125), (25, 3600100), (28, 3214375), (35, 2571500), (37, 2432500), (50, 1800050), (70, 1285750), (74, 1216250), (100, 900025), (125, 720020), (139, 647500), (140, 642875), (148, 608125), (175, 514300), (185, 486500), (250, 360010), (259, 347500), (278, 323750), (350, 257150), (370, 243250), (500, 180005), (518, 173750), (556, 161875), (625, 144004), (695, 129500), (700, 128575), (740, 121625), (875, 102860), (925, 97300), (973, 92500), (1036, 86875), (1250, 72002), (1295, 69500), (1390, 64750), (1750, 51430), (1850, 48650), (1946, 46250), (2500, 36001), (2590, 34750), (2780, 32375), (3475, 25900), (3500, 25715), (3700, 24325), (3892, 23125), (4375, 20572), (4625, 19460), (4865, 18500), (5143, 17500), (5180, 17375), (6475, 13900), (6950, 12950), (8750, 10286), (9250, 9730)]