73156780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2089}}^1$

素因数の和:2218

約数の個数: 48

約数和(自身を含む): 164324160

約数和(自身を除く): 91167380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 103, 170, 206, 340, 412, 515, 1030, 1751, 2060, 2089, 3502, 4178, 7004, 8356, 8755, 10445, 17510, 20890, 35020, 35513, 41780, 71026, 142052, 177565, 215167, 355130, 430334, 710260, 860668, 1075835, 2151670, 3657839, 4303340, 7315678, 14631356, 18289195, 36578390, 73156780]

約数ペア:

[(1, 73156780), (2, 36578390), (4, 18289195), (5, 14631356), (10, 7315678), (17, 4303340), (20, 3657839), (34, 2151670), (68, 1075835), (85, 860668), (103, 710260), (170, 430334), (206, 355130), (340, 215167), (412, 177565), (515, 142052), (1030, 71026), (1751, 41780), (2060, 35513), (2089, 35020), (3502, 20890), (4178, 17510), (7004, 10445), (8356, 8755)]