900574780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{50651}}^1$

素因数の和:50794

約数の個数: 48

約数和(自身を含む): 2178441216

約数和(自身を除く): 1277866436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 17780, 50651, 101302, 202604, 253255, 354557, 506510, 709114, 1013020, 1418228, 1772785, 3545570, 6432677, 7091140, 12865354, 25730708, 32163385, 45028739, 64326770, 90057478, 128653540, 180114956, 225143695, 450287390, 900574780]

約数ペア:

[(1, 900574780), (2, 450287390), (4, 225143695), (5, 180114956), (7, 128653540), (10, 90057478), (14, 64326770), (20, 45028739), (28, 32163385), (35, 25730708), (70, 12865354), (127, 7091140), (140, 6432677), (254, 3545570), (508, 1772785), (635, 1418228), (889, 1013020), (1270, 709114), (1778, 506510), (2540, 354557), (3556, 253255), (4445, 202604), (8890, 101302), (17780, 50651)]