77938450

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 148981536

約数和(自身を除く): 71043086

約数列:

[1, 2, 5, 10, 25, 50, 73, 131, 146, 163, 262, 326, 365, 655, 730, 815, 1310, 1630, 1825, 3275, 3650, 4075, 6550, 8150, 9563, 11899, 19126, 21353, 23798, 42706, 47815, 59495, 95630, 106765, 118990, 213530, 239075, 297475, 478150, 533825, 594950, 1067650, 1558769, 3117538, 7793845, 15587690, 38969225, 77938450]

約数ペア:

[(1, 77938450), (2, 38969225), (5, 15587690), (10, 7793845), (25, 3117538), (50, 1558769), (73, 1067650), (131, 594950), (146, 533825), (163, 478150), (262, 297475), (326, 239075), (365, 213530), (655, 118990), (730, 106765), (815, 95630), (1310, 59495), (1630, 47815), (1825, 42706), (3275, 23798), (3650, 21353), (4075, 19126), (6550, 11899), (8150, 9563)]