1385490400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{247409}}^1$

素因数の和:247436

約数の個数: 72

約数和(自身を含む): 3865533840

約数和(自身を除く): 2480043440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 5600, 247409, 494818, 989636, 1237045, 1731863, 1979272, 2474090, 3463726, 3958544, 4948180, 6185225, 6927452, 7917088, 8659315, 9896360, 12370450, 13854904, 17318630, 19792720, 24740900, 27709808, 34637260, 39585440, 43296575, 49481800, 55419616, 69274520, 86593150, 98963600, 138549040, 173186300, 197927200, 277098080, 346372600, 692745200, 1385490400]

約数ペア:

[(1, 1385490400), (2, 692745200), (4, 346372600), (5, 277098080), (7, 197927200), (8, 173186300), (10, 138549040), (14, 98963600), (16, 86593150), (20, 69274520), (25, 55419616), (28, 49481800), (32, 43296575), (35, 39585440), (40, 34637260), (50, 27709808), (56, 24740900), (70, 19792720), (80, 17318630), (100, 13854904), (112, 12370450), (140, 9896360), (160, 8659315), (175, 7917088), (200, 6927452), (224, 6185225), (280, 4948180), (350, 3958544), (400, 3463726), (560, 2474090), (700, 1979272), (800, 1731863), (1120, 1237045), (1400, 989636), (2800, 494818), (5600, 247409)]