220178992

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{65843}}^1$

素因数の和:65881

約数の個数: 40

約数和(自身を含む): 489879360

約数和(自身を除く): 269700368

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 65843, 131686, 263372, 526744, 724273, 1053488, 1251017, 1448546, 2502034, 2897092, 5004068, 5794184, 10008136, 11588368, 13761187, 20016272, 27522374, 55044748, 110089496, 220178992]

約数ペア:

[(1, 220178992), (2, 110089496), (4, 55044748), (8, 27522374), (11, 20016272), (16, 13761187), (19, 11588368), (22, 10008136), (38, 5794184), (44, 5004068), (76, 2897092), (88, 2502034), (152, 1448546), (176, 1251017), (209, 1053488), (304, 724273), (418, 526744), (836, 263372), (1672, 131686), (3344, 65843)]