78675940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{773}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 189326592

約数和(自身を除く): 110650652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 727, 773, 1454, 1546, 2908, 3092, 3635, 3865, 5089, 5411, 7270, 7730, 10178, 10822, 14540, 15460, 20356, 21644, 25445, 27055, 50890, 54110, 101780, 108220, 561971, 1123942, 2247884, 2809855, 3933797, 5619710, 7867594, 11239420, 15735188, 19668985, 39337970, 78675940]

約数ペア:

[(1, 78675940), (2, 39337970), (4, 19668985), (5, 15735188), (7, 11239420), (10, 7867594), (14, 5619710), (20, 3933797), (28, 2809855), (35, 2247884), (70, 1123942), (140, 561971), (727, 108220), (773, 101780), (1454, 54110), (1546, 50890), (2908, 27055), (3092, 25445), (3635, 21644), (3865, 20356), (5089, 15460), (5411, 14540), (7270, 10822), (7730, 10178)]