123983260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{643}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 270047232

約数和(自身を除く): 146063972

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 311, 620, 622, 643, 1244, 1286, 1555, 2572, 3110, 3215, 6220, 6430, 9641, 12860, 19282, 19933, 38564, 39866, 48205, 79732, 96410, 99665, 192820, 199330, 199973, 398660, 399946, 799892, 999865, 1999730, 3999460, 6199163, 12398326, 24796652, 30995815, 61991630, 123983260]

約数ペア:

[(1, 123983260), (2, 61991630), (4, 30995815), (5, 24796652), (10, 12398326), (20, 6199163), (31, 3999460), (62, 1999730), (124, 999865), (155, 799892), (310, 399946), (311, 398660), (620, 199973), (622, 199330), (643, 192820), (1244, 99665), (1286, 96410), (1555, 79732), (2572, 48205), (3110, 39866), (3215, 38564), (6220, 19933), (6430, 19282), (9641, 12860)]