196188520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{445883}}^1$

素因数の和:445905

約数の個数: 32

約数和(自身を含む): 481554720

約数和(自身を除く): 285366200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 445883, 891766, 1783532, 2229415, 3567064, 4458830, 4904713, 8917660, 9809426, 17835320, 19618852, 24523565, 39237704, 49047130, 98094260, 196188520]

約数ペア:

[(1, 196188520), (2, 98094260), (4, 49047130), (5, 39237704), (8, 24523565), (10, 19618852), (11, 17835320), (20, 9809426), (22, 8917660), (40, 4904713), (44, 4458830), (55, 3567064), (88, 2229415), (110, 1783532), (220, 891766), (440, 445883)]