129139820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{5669}}^1$

素因数の和:5762

約数の個数: 48

約数和(自身を含む): 291483360

約数和(自身を除く): 162343540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1139, 1340, 2278, 4556, 5669, 5695, 11338, 11390, 22676, 22780, 28345, 56690, 96373, 113380, 192746, 379823, 385492, 481865, 759646, 963730, 1519292, 1899115, 1927460, 3798230, 6456991, 7596460, 12913982, 25827964, 32284955, 64569910, 129139820]

約数ペア:

[(1, 129139820), (2, 64569910), (4, 32284955), (5, 25827964), (10, 12913982), (17, 7596460), (20, 6456991), (34, 3798230), (67, 1927460), (68, 1899115), (85, 1519292), (134, 963730), (170, 759646), (268, 481865), (335, 385492), (340, 379823), (670, 192746), (1139, 113380), (1340, 96373), (2278, 56690), (4556, 28345), (5669, 22780), (5695, 22676), (11338, 11390)]