77482820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{1091}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 168412608

約数和(自身を除く): 90929788

約数列:

[1, 2, 4, 5, 10, 20, 53, 67, 106, 134, 212, 265, 268, 335, 530, 670, 1060, 1091, 1340, 2182, 3551, 4364, 5455, 7102, 10910, 14204, 17755, 21820, 35510, 57823, 71020, 73097, 115646, 146194, 231292, 289115, 292388, 365485, 578230, 730970, 1156460, 1461940, 3874141, 7748282, 15496564, 19370705, 38741410, 77482820]

約数ペア:

[(1, 77482820), (2, 38741410), (4, 19370705), (5, 15496564), (10, 7748282), (20, 3874141), (53, 1461940), (67, 1156460), (106, 730970), (134, 578230), (212, 365485), (265, 292388), (268, 289115), (335, 231292), (530, 146194), (670, 115646), (1060, 73097), (1091, 71020), (1340, 57823), (2182, 35510), (3551, 21820), (4364, 17755), (5455, 14204), (7102, 10910)]