78495340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{50971}}^1$

素因数の和:50998

約数の個数: 48

約数和(自身を含む): 205519104

約数和(自身を除く): 127023764

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 50971, 101942, 203884, 254855, 356797, 509710, 560681, 713594, 1019420, 1121362, 1427188, 1783985, 2242724, 2803405, 3567970, 3924767, 5606810, 7135940, 7849534, 11213620, 15699068, 19623835, 39247670, 78495340]

約数ペア:

[(1, 78495340), (2, 39247670), (4, 19623835), (5, 15699068), (7, 11213620), (10, 7849534), (11, 7135940), (14, 5606810), (20, 3924767), (22, 3567970), (28, 2803405), (35, 2242724), (44, 1783985), (55, 1427188), (70, 1121362), (77, 1019420), (110, 713594), (140, 560681), (154, 509710), (220, 356797), (308, 254855), (385, 203884), (770, 101942), (1540, 50971)]