134400680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1987}}^1$

素因数の和:2106

約数の個数: 64

約数和(自身を含む): 322056000

約数和(自身を除く): 187655320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 356, 380, 445, 712, 760, 890, 1691, 1780, 1987, 3382, 3560, 3974, 6764, 7948, 8455, 9935, 13528, 15896, 16910, 19870, 33820, 37753, 39740, 67640, 75506, 79480, 151012, 176843, 188765, 302024, 353686, 377530, 707372, 755060, 884215, 1414744, 1510120, 1768430, 3360017, 3536860, 6720034, 7073720, 13440068, 16800085, 26880136, 33600170, 67200340, 134400680]

約数ペア:

[(1, 134400680), (2, 67200340), (4, 33600170), (5, 26880136), (8, 16800085), (10, 13440068), (19, 7073720), (20, 6720034), (38, 3536860), (40, 3360017), (76, 1768430), (89, 1510120), (95, 1414744), (152, 884215), (178, 755060), (190, 707372), (356, 377530), (380, 353686), (445, 302024), (712, 188765), (760, 176843), (890, 151012), (1691, 79480), (1780, 75506), (1987, 67640), (3382, 39740), (3560, 37753), (3974, 33820), (6764, 19870), (7948, 16910), (8455, 15896), (9935, 13528)]