283899460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{3511}}^1$

素因数の和:3844

約数の個数: 48

約数和(自身を含む): 644297472

約数和(自身を除く): 360398012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 311, 622, 1244, 1555, 3110, 3511, 4043, 6220, 7022, 8086, 14044, 16172, 17555, 20215, 35110, 40430, 45643, 70220, 80860, 91286, 182572, 228215, 456430, 912860, 1091921, 2183842, 4367684, 5459605, 10919210, 14194973, 21838420, 28389946, 56779892, 70974865, 141949730, 283899460]

約数ペア:

[(1, 283899460), (2, 141949730), (4, 70974865), (5, 56779892), (10, 28389946), (13, 21838420), (20, 14194973), (26, 10919210), (52, 5459605), (65, 4367684), (130, 2183842), (260, 1091921), (311, 912860), (622, 456430), (1244, 228215), (1555, 182572), (3110, 91286), (3511, 80860), (4043, 70220), (6220, 45643), (7022, 40430), (8086, 35110), (14044, 20215), (16172, 17555)]