838064220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1995391}}^1$

素因数の和:1995410

約数の個数: 48

約数和(自身を含む): 2681806848

約数和(自身を除く): 1843742628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1995391, 3990782, 5986173, 7981564, 9976955, 11972346, 13967737, 19953910, 23944692, 27935474, 29930865, 39907820, 41903211, 55870948, 59861730, 69838685, 83806422, 119723460, 139677370, 167612844, 209516055, 279354740, 419032110, 838064220]

約数ペア:

[(1, 838064220), (2, 419032110), (3, 279354740), (4, 209516055), (5, 167612844), (6, 139677370), (7, 119723460), (10, 83806422), (12, 69838685), (14, 59861730), (15, 55870948), (20, 41903211), (21, 39907820), (28, 29930865), (30, 27935474), (35, 23944692), (42, 19953910), (60, 13967737), (70, 11972346), (84, 9976955), (105, 7981564), (140, 5986173), (210, 3990782), (420, 1995391)]