77828540

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{241}}^2$

素因数の和:558

約数の個数: 36

約数和(自身を含む): 166570488

約数和(自身を除く): 88741948

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 241, 268, 335, 482, 670, 964, 1205, 1340, 2410, 4820, 16147, 32294, 58081, 64588, 80735, 116162, 161470, 232324, 290405, 322940, 580810, 1161620, 3891427, 7782854, 15565708, 19457135, 38914270, 77828540]

約数ペア:

[(1, 77828540), (2, 38914270), (4, 19457135), (5, 15565708), (10, 7782854), (20, 3891427), (67, 1161620), (134, 580810), (241, 322940), (268, 290405), (335, 232324), (482, 161470), (670, 116162), (964, 80735), (1205, 64588), (1340, 58081), (2410, 32294), (4820, 16147)]