200101600

素因数分解:

$2^5\times 5^2\times {\mathrm{389}}^1\times {\mathrm{643}}^1$

素因数の和:1052

約数の個数: 72

約数和(自身を含む): 490515480

約数和(自身を除く): 290413880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 389, 400, 643, 778, 800, 1286, 1556, 1945, 2572, 3112, 3215, 3890, 5144, 6224, 6430, 7780, 9725, 10288, 12448, 12860, 15560, 16075, 19450, 20576, 25720, 31120, 32150, 38900, 51440, 62240, 64300, 77800, 102880, 128600, 155600, 250127, 257200, 311200, 500254, 514400, 1000508, 1250635, 2001016, 2501270, 4002032, 5002540, 6253175, 8004064, 10005080, 12506350, 20010160, 25012700, 40020320, 50025400, 100050800, 200101600]

約数ペア:

[(1, 200101600), (2, 100050800), (4, 50025400), (5, 40020320), (8, 25012700), (10, 20010160), (16, 12506350), (20, 10005080), (25, 8004064), (32, 6253175), (40, 5002540), (50, 4002032), (80, 2501270), (100, 2001016), (160, 1250635), (200, 1000508), (389, 514400), (400, 500254), (643, 311200), (778, 257200), (800, 250127), (1286, 155600), (1556, 128600), (1945, 102880), (2572, 77800), (3112, 64300), (3215, 62240), (3890, 51440), (5144, 38900), (6224, 32150), (6430, 31120), (7780, 25720), (9725, 20576), (10288, 19450), (12448, 16075), (12860, 15560)]