281730460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{75329}}^1$

素因数の和:75366

約数の個数: 48

約数和(自身を含む): 683393760

約数和(自身を除く): 401663300

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 75329, 150658, 301316, 376645, 753290, 828619, 1280593, 1506580, 1657238, 2561186, 3314476, 4143095, 5122372, 6402965, 8286190, 12805930, 14086523, 16572380, 25611860, 28173046, 56346092, 70432615, 140865230, 281730460]

約数ペア:

[(1, 281730460), (2, 140865230), (4, 70432615), (5, 56346092), (10, 28173046), (11, 25611860), (17, 16572380), (20, 14086523), (22, 12805930), (34, 8286190), (44, 6402965), (55, 5122372), (68, 4143095), (85, 3314476), (110, 2561186), (170, 1657238), (187, 1506580), (220, 1280593), (340, 828619), (374, 753290), (748, 376645), (935, 301316), (1870, 150658), (3740, 75329)]