73878220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4241}}^1$

素因数の和:4330

約数の個数: 48

約数和(自身を含む): 169612128

約数和(自身を除く): 95733908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 4241, 4355, 8482, 8710, 16964, 17420, 21205, 42410, 55133, 84820, 110266, 220532, 275665, 284147, 551330, 568294, 1102660, 1136588, 1420735, 2841470, 3693911, 5682940, 7387822, 14775644, 18469555, 36939110, 73878220]

約数ペア:

[(1, 73878220), (2, 36939110), (4, 18469555), (5, 14775644), (10, 7387822), (13, 5682940), (20, 3693911), (26, 2841470), (52, 1420735), (65, 1136588), (67, 1102660), (130, 568294), (134, 551330), (260, 284147), (268, 275665), (335, 220532), (670, 110266), (871, 84820), (1340, 55133), (1742, 42410), (3484, 21205), (4241, 17420), (4355, 16964), (8482, 8710)]