1797460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 4443264

約数和(自身を除く): 2645804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 347, 370, 518, 694, 740, 1036, 1295, 1388, 1735, 2429, 2590, 3470, 4858, 5180, 6940, 9716, 12145, 12839, 24290, 25678, 48580, 51356, 64195, 89873, 128390, 179746, 256780, 359492, 449365, 898730, 1797460]

約数ペア:

[(1, 1797460), (2, 898730), (4, 449365), (5, 359492), (7, 256780), (10, 179746), (14, 128390), (20, 89873), (28, 64195), (35, 51356), (37, 48580), (70, 25678), (74, 24290), (140, 12839), (148, 12145), (185, 9716), (259, 6940), (347, 5180), (370, 4858), (518, 3470), (694, 2590), (740, 2429), (1036, 1735), (1295, 1388)]