1994204450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{813961}}^1$

素因数の和:813987

約数の個数: 36

約数和(自身を含む): 4314812562

約数和(自身を除く): 2320608112

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 813961, 1627922, 4069805, 5697727, 8139610, 11395454, 20349025, 28488635, 39884089, 40698050, 56977270, 79768178, 142443175, 199420445, 284886350, 398840890, 997102225, 1994204450]

約数ペア:

[(1, 1994204450), (2, 997102225), (5, 398840890), (7, 284886350), (10, 199420445), (14, 142443175), (25, 79768178), (35, 56977270), (49, 40698050), (50, 39884089), (70, 28488635), (98, 20349025), (175, 11395454), (245, 8139610), (350, 5697727), (490, 4069805), (1225, 1627922), (2450, 813961)]