103478180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20947}}^1$

素因数の和:20988

約数の個数: 48

約数和(自身を含む): 246348480

約数和(自身を除く): 142870300

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 20947, 41894, 83788, 104735, 209470, 272311, 397993, 418940, 544622, 795986, 1089244, 1361555, 1591972, 1989965, 2723110, 3979930, 5173909, 5446220, 7959860, 10347818, 20695636, 25869545, 51739090, 103478180]

約数ペア:

[(1, 103478180), (2, 51739090), (4, 25869545), (5, 20695636), (10, 10347818), (13, 7959860), (19, 5446220), (20, 5173909), (26, 3979930), (38, 2723110), (52, 1989965), (65, 1591972), (76, 1361555), (95, 1089244), (130, 795986), (190, 544622), (247, 418940), (260, 397993), (380, 272311), (494, 209470), (988, 104735), (1235, 83788), (2470, 41894), (4940, 20947)]