158720800

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{4049}}^1$

素因数の和:4083

約数の個数: 108

約数和(自身を含む): 450850050

約数和(自身を除く): 292129250

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 350, 392, 400, 490, 560, 700, 784, 800, 980, 1120, 1225, 1400, 1568, 1960, 2450, 2800, 3920, 4049, 4900, 5600, 7840, 8098, 9800, 16196, 19600, 20245, 28343, 32392, 39200, 40490, 56686, 64784, 80980, 101225, 113372, 129568, 141715, 161960, 198401, 202450, 226744, 283430, 323920, 396802, 404900, 453488, 566860, 647840, 708575, 793604, 809800, 906976, 992005, 1133720, 1417150, 1587208, 1619600, 1984010, 2267440, 2834300, 3174416, 3239200, 3968020, 4534880, 4960025, 5668600, 6348832, 7936040, 9920050, 11337200, 15872080, 19840100, 22674400, 31744160, 39680200, 79360400, 158720800]

約数ペア:

[(1, 158720800), (2, 79360400), (4, 39680200), (5, 31744160), (7, 22674400), (8, 19840100), (10, 15872080), (14, 11337200), (16, 9920050), (20, 7936040), (25, 6348832), (28, 5668600), (32, 4960025), (35, 4534880), (40, 3968020), (49, 3239200), (50, 3174416), (56, 2834300), (70, 2267440), (80, 1984010), (98, 1619600), (100, 1587208), (112, 1417150), (140, 1133720), (160, 992005), (175, 906976), (196, 809800), (200, 793604), (224, 708575), (245, 647840), (280, 566860), (350, 453488), (392, 404900), (400, 396802), (490, 323920), (560, 283430), (700, 226744), (784, 202450), (800, 198401), (980, 161960), (1120, 141715), (1225, 129568), (1400, 113372), (1568, 101225), (1960, 80980), (2450, 64784), (2800, 56686), (3920, 40490), (4049, 39200), (4900, 32392), (5600, 28343), (7840, 20245), (8098, 19600), (9800, 16196)]