1680450100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{342949}}^1$

素因数の和:342977

約数の個数: 54

約数和(自身を含む): 4241948550

約数和(自身を除く): 2561498450

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 342949, 685898, 1371796, 1714745, 2400643, 3429490, 4801286, 6858980, 8573725, 9602572, 12003215, 16804501, 17147450, 24006430, 33609002, 34294900, 48012860, 60016075, 67218004, 84022505, 120032150, 168045010, 240064300, 336090020, 420112525, 840225050, 1680450100]

約数ペア:

[(1, 1680450100), (2, 840225050), (4, 420112525), (5, 336090020), (7, 240064300), (10, 168045010), (14, 120032150), (20, 84022505), (25, 67218004), (28, 60016075), (35, 48012860), (49, 34294900), (50, 33609002), (70, 24006430), (98, 17147450), (100, 16804501), (140, 12003215), (175, 9602572), (196, 8573725), (245, 6858980), (350, 4801286), (490, 3429490), (700, 2400643), (980, 1714745), (1225, 1371796), (2450, 685898), (4900, 342949)]