2800797440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{312589}}^1$

素因数の和:312617

約数の個数: 72

約数和(自身を含む): 7667207520

約数和(自身を除く): 4866410080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 312589, 625178, 1250356, 1562945, 2188123, 2500712, 3125890, 4376246, 5001424, 6251780, 8752492, 10002848, 10940615, 12503560, 17504984, 20005696, 21881230, 25007120, 35009968, 40011392, 43762460, 50014240, 70019936, 80022784, 87524920, 100028480, 140039872, 175049840, 200056960, 280079744, 350099680, 400113920, 560159488, 700199360, 1400398720, 2800797440]

約数ペア:

[(1, 2800797440), (2, 1400398720), (4, 700199360), (5, 560159488), (7, 400113920), (8, 350099680), (10, 280079744), (14, 200056960), (16, 175049840), (20, 140039872), (28, 100028480), (32, 87524920), (35, 80022784), (40, 70019936), (56, 50014240), (64, 43762460), (70, 40011392), (80, 35009968), (112, 25007120), (128, 21881230), (140, 20005696), (160, 17504984), (224, 12503560), (256, 10940615), (280, 10002848), (320, 8752492), (448, 6251780), (560, 5001424), (640, 4376246), (896, 3125890), (1120, 2500712), (1280, 2188123), (1792, 1562945), (2240, 1250356), (4480, 625178), (8960, 312589)]