297880640

素因数分解:

$2^6\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2393}}^1$

素因数の和:2799

約数の個数: 56

約数和(自身を含む): 711448920

約数和(自身を除く): 413568280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 389, 778, 1556, 1945, 2393, 3112, 3890, 4786, 6224, 7780, 9572, 11965, 12448, 15560, 19144, 23930, 24896, 31120, 38288, 47860, 62240, 76576, 95720, 124480, 153152, 191440, 382880, 765760, 930877, 1861754, 3723508, 4654385, 7447016, 9308770, 14894032, 18617540, 29788064, 37235080, 59576128, 74470160, 148940320, 297880640]

約数ペア:

[(1, 297880640), (2, 148940320), (4, 74470160), (5, 59576128), (8, 37235080), (10, 29788064), (16, 18617540), (20, 14894032), (32, 9308770), (40, 7447016), (64, 4654385), (80, 3723508), (160, 1861754), (320, 930877), (389, 765760), (778, 382880), (1556, 191440), (1945, 153152), (2393, 124480), (3112, 95720), (3890, 76576), (4786, 62240), (6224, 47860), (7780, 38288), (9572, 31120), (11965, 24896), (12448, 23930), (15560, 19144)]