490632100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{100129}}^1$

素因数の和:100157

約数の個数: 54

約数和(自身を含む): 1238507970

約数和(自身を除く): 747875870

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, 100129, 200258, 400516, 500645, 700903, 1001290, 1401806, 2002580, 2503225, 2803612, 3504515, 4906321, 5006450, 7009030, 9812642, 10012900, 14018060, 17522575, 19625284, 24531605, 35045150, 49063210, 70090300, 98126420, 122658025, 245316050, 490632100]

約数ペア:

[(1, 490632100), (2, 245316050), (4, 122658025), (5, 98126420), (7, 70090300), (10, 49063210), (14, 35045150), (20, 24531605), (25, 19625284), (28, 17522575), (35, 14018060), (49, 10012900), (50, 9812642), (70, 7009030), (98, 5006450), (100, 4906321), (140, 3504515), (175, 2803612), (196, 2503225), (245, 2002580), (350, 1401806), (490, 1001290), (700, 700903), (980, 500645), (1225, 400516), (2450, 200258), (4900, 100129)]