291227120

素因数分解:

$2^4\times 5^1\times {\mathrm{619}}^1\times {\mathrm{5881}}^1$

素因数の和:6513

約数の個数: 40

約数和(自身を含む): 678312240

約数和(自身を除く): 387085120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 619, 1238, 2476, 3095, 4952, 5881, 6190, 9904, 11762, 12380, 23524, 24760, 29405, 47048, 49520, 58810, 94096, 117620, 235240, 470480, 3640339, 7280678, 14561356, 18201695, 29122712, 36403390, 58245424, 72806780, 145613560, 291227120]

約数ペア:

[(1, 291227120), (2, 145613560), (4, 72806780), (5, 58245424), (8, 36403390), (10, 29122712), (16, 18201695), (20, 14561356), (40, 7280678), (80, 3640339), (619, 470480), (1238, 235240), (2476, 117620), (3095, 94096), (4952, 58810), (5881, 49520), (6190, 47048), (9904, 29405), (11762, 24760), (12380, 23524)]