963789020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1\times {\mathrm{1069}}^1$

素因数の和:1878

約数の個数: 48

約数和(自身を含む): 2061847200

約数和(自身を除く): 1098058180

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 739, 1069, 1220, 1478, 2138, 2956, 3695, 4276, 5345, 7390, 10690, 14780, 21380, 45079, 65209, 90158, 130418, 180316, 225395, 260836, 326045, 450790, 652090, 789991, 901580, 1304180, 1579982, 3159964, 3949955, 7899910, 15799820, 48189451, 96378902, 192757804, 240947255, 481894510, 963789020]

約数ペア:

[(1, 963789020), (2, 481894510), (4, 240947255), (5, 192757804), (10, 96378902), (20, 48189451), (61, 15799820), (122, 7899910), (244, 3949955), (305, 3159964), (610, 1579982), (739, 1304180), (1069, 901580), (1220, 789991), (1478, 652090), (2138, 450790), (2956, 326045), (3695, 260836), (4276, 225395), (5345, 180316), (7390, 130418), (10690, 90158), (14780, 65209), (21380, 45079)]