1455350980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{7351}}^1$

素因数の和:7900

約数の個数: 48

約数和(自身を含む): 3223704960

約数和(自身を除く): 1768353980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 521, 1042, 2084, 2605, 5210, 7351, 9899, 10420, 14702, 19798, 29404, 36755, 39596, 49495, 73510, 98990, 139669, 147020, 197980, 279338, 558676, 698345, 1396690, 2793380, 3829871, 7659742, 15319484, 19149355, 38298710, 72767549, 76597420, 145535098, 291070196, 363837745, 727675490, 1455350980]

約数ペア:

[(1, 1455350980), (2, 727675490), (4, 363837745), (5, 291070196), (10, 145535098), (19, 76597420), (20, 72767549), (38, 38298710), (76, 19149355), (95, 15319484), (190, 7659742), (380, 3829871), (521, 2793380), (1042, 1396690), (2084, 698345), (2605, 558676), (5210, 279338), (7351, 197980), (9899, 147020), (10420, 139669), (14702, 98990), (19798, 73510), (29404, 49495), (36755, 39596)]