28816340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5563}}^1$

素因数の和:5616

約数の個数: 48

約数和(自身を含む): 71041152

約数和(自身を除く): 42224812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 5563, 11126, 22252, 27815, 38941, 55630, 77882, 111260, 155764, 194705, 205831, 389410, 411662, 778820, 823324, 1029155, 1440817, 2058310, 2881634, 4116620, 5763268, 7204085, 14408170, 28816340]

約数ペア:

[(1, 28816340), (2, 14408170), (4, 7204085), (5, 5763268), (7, 4116620), (10, 2881634), (14, 2058310), (20, 1440817), (28, 1029155), (35, 823324), (37, 778820), (70, 411662), (74, 389410), (140, 205831), (148, 194705), (185, 155764), (259, 111260), (370, 77882), (518, 55630), (740, 38941), (1036, 27815), (1295, 22252), (2590, 11126), (5180, 5563)]