255290460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223939}}^1$

素因数の和:223970

約数の個数: 48

約数和(自身を含む): 752438400

約数和(自身を除く): 497147940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 223939, 447878, 671817, 895756, 1119695, 1343634, 2239390, 2687268, 3359085, 4254841, 4478780, 6718170, 8509682, 12764523, 13436340, 17019364, 21274205, 25529046, 42548410, 51058092, 63822615, 85096820, 127645230, 255290460]

約数ペア:

[(1, 255290460), (2, 127645230), (3, 85096820), (4, 63822615), (5, 51058092), (6, 42548410), (10, 25529046), (12, 21274205), (15, 17019364), (19, 13436340), (20, 12764523), (30, 8509682), (38, 6718170), (57, 4478780), (60, 4254841), (76, 3359085), (95, 2687268), (114, 2239390), (190, 1343634), (228, 1119695), (285, 895756), (380, 671817), (570, 447878), (1140, 223939)]